1821991920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:880

約数の個数: 320

約数和(自身を含む): 6854989824

約数和(自身を除く): 5032997904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 61, 69, 70, 80, 84, 92, 105, 112, 115, 120, 122, 138, 140, 161, 168, 183, 184, 210, 230, 240, 244, 276, 280, 305, 322, 336, 345, 366, 368, 420, 427, 460, 483, 488, 552, 560, 610, 644, 690, 732, 773, 805, 840, 854, 915, 920, 966, 976, 1104, 1220, 1281, 1288, 1380, 1403, 1464, 1546, 1610, 1680, 1708, 1830, 1840, 1932, 2135, 2319, 2415, 2440, 2562, 2576, 2760, 2806, 2928, 3092, 3220, 3416, 3660, 3864, 3865, 4209, 4270, 4638, 4830, 4880, 5124, 5411, 5520, 5612, 6184, 6405, 6440, 6832, 7015, 7320, 7728, 7730, 8418, 8540, 9276, 9660, 9821, 10248, 10822, 11224, 11595, 12368, 12810, 12880, 14030, 14640, 15460, 16233, 16836, 17080, 17779, 18552, 19320, 19642, 20496, 21045, 21644, 22448, 23190, 25620, 27055, 28060, 29463, 30920, 32466, 33672, 34160, 35558, 37104, 38640, 39284, 42090, 43288, 46380, 47153, 49105, 51240, 53337, 54110, 56120, 58926, 61840, 64932, 67344, 71116, 78568, 81165, 84180, 86576, 88895, 92760, 94306, 98210, 102480, 106674, 108220, 112240, 117852, 124453, 129864, 141459, 142232, 147315, 157136, 162330, 168360, 177790, 185520, 188612, 196420, 213348, 216440, 235704, 235765, 248906, 259728, 266685, 282918, 284464, 294630, 324660, 330071, 336720, 355580, 373359, 377224, 392840, 426696, 432880, 471408, 471530, 497812, 533370, 565836, 589260, 622265, 649320, 660142, 707295, 711160, 746718, 754448, 785680, 853392, 943060, 990213, 995624, 1066740, 1084519, 1131672, 1178520, 1244530, 1298640, 1320284, 1414590, 1422320, 1493436, 1650355, 1866795, 1886120, 1980426, 1991248, 2133480, 2169038, 2263344, 2357040, 2489060, 2640568, 2829180, 2986872, 3253557, 3300710, 3733590, 3772240, 3960852, 4266960, 4338076, 4951065, 4978120, 5281136, 5422595, 5658360, 5973744, 6507114, 6601420, 7467180, 7591633, 7921704, 8676152, 9902130, 9956240, 10845190, 11316720, 13014228, 13202840, 14934360, 15183266, 15843408, 16267785, 17352304, 19804260, 21690380, 22774899, 26028456, 26405680, 29868720, 30366532, 32535570, 37958165, 39608520, 43380760, 45549798, 52056912, 60733064, 65071140, 75916330, 79217040, 86761520, 91099596, 113874495, 121466128, 130142280, 151832660, 182199192, 227748990, 260284560, 303665320, 364398384, 455497980, 607330640, 910995960, 1821991920]

約数ペア:

[(1, 1821991920), (2, 910995960), (3, 607330640), (4, 455497980), (5, 364398384), (6, 303665320), (7, 260284560), (8, 227748990), (10, 182199192), (12, 151832660), (14, 130142280), (15, 121466128), (16, 113874495), (20, 91099596), (21, 86761520), (23, 79217040), (24, 75916330), (28, 65071140), (30, 60733064), (35, 52056912), (40, 45549798), (42, 43380760), (46, 39608520), (48, 37958165), (56, 32535570), (60, 30366532), (61, 29868720), (69, 26405680), (70, 26028456), (80, 22774899), (84, 21690380), (92, 19804260), (105, 17352304), (112, 16267785), (115, 15843408), (120, 15183266), (122, 14934360), (138, 13202840), (140, 13014228), (161, 11316720), (168, 10845190), (183, 9956240), (184, 9902130), (210, 8676152), (230, 7921704), (240, 7591633), (244, 7467180), (276, 6601420), (280, 6507114), (305, 5973744), (322, 5658360), (336, 5422595), (345, 5281136), (366, 4978120), (368, 4951065), (420, 4338076), (427, 4266960), (460, 3960852), (483, 3772240), (488, 3733590), (552, 3300710), (560, 3253557), (610, 2986872), (644, 2829180), (690, 2640568), (732, 2489060), (773, 2357040), (805, 2263344), (840, 2169038), (854, 2133480), (915, 1991248), (920, 1980426), (966, 1886120), (976, 1866795), (1104, 1650355), (1220, 1493436), (1281, 1422320), (1288, 1414590), (1380, 1320284), (1403, 1298640), (1464, 1244530), (1546, 1178520), (1610, 1131672), (1680, 1084519), (1708, 1066740), (1830, 995624), (1840, 990213), (1932, 943060), (2135, 853392), (2319, 785680), (2415, 754448), (2440, 746718), (2562, 711160), (2576, 707295), (2760, 660142), (2806, 649320), (2928, 622265), (3092, 589260), (3220, 565836), (3416, 533370), (3660, 497812), (3864, 471530), (3865, 471408), (4209, 432880), (4270, 426696), (4638, 392840), (4830, 377224), (4880, 373359), (5124, 355580), (5411, 336720), (5520, 330071), (5612, 324660), (6184, 294630), (6405, 284464), (6440, 282918), (6832, 266685), (7015, 259728), (7320, 248906), (7728, 235765), (7730, 235704), (8418, 216440), (8540, 213348), (9276, 196420), (9660, 188612), (9821, 185520), (10248, 177790), (10822, 168360), (11224, 162330), (11595, 157136), (12368, 147315), (12810, 142232), (12880, 141459), (14030, 129864), (14640, 124453), (15460, 117852), (16233, 112240), (16836, 108220), (17080, 106674), (17779, 102480), (18552, 98210), (19320, 94306), (19642, 92760), (20496, 88895), (21045, 86576), (21644, 84180), (22448, 81165), (23190, 78568), (25620, 71116), (27055, 67344), (28060, 64932), (29463, 61840), (30920, 58926), (32466, 56120), (33672, 54110), (34160, 53337), (35558, 51240), (37104, 49105), (38640, 47153), (39284, 46380), (42090, 43288)]