78755880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 289267200

約数和(自身を除く): 210511320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 53, 56, 58, 60, 61, 70, 84, 87, 105, 106, 116, 120, 122, 140, 145, 159, 168, 174, 183, 203, 210, 212, 232, 244, 265, 280, 290, 305, 318, 348, 366, 371, 406, 420, 424, 427, 435, 488, 530, 580, 609, 610, 636, 696, 732, 742, 795, 812, 840, 854, 870, 915, 1015, 1060, 1113, 1160, 1218, 1220, 1272, 1281, 1464, 1484, 1537, 1590, 1624, 1708, 1740, 1769, 1830, 1855, 2030, 2120, 2135, 2226, 2436, 2440, 2562, 2968, 3045, 3074, 3180, 3233, 3416, 3480, 3538, 3660, 3710, 4060, 4270, 4452, 4611, 4872, 5124, 5307, 5565, 6090, 6148, 6360, 6405, 6466, 7076, 7320, 7420, 7685, 8120, 8540, 8845, 8904, 9222, 9699, 10248, 10614, 10759, 11130, 12180, 12296, 12383, 12810, 12932, 14152, 14840, 15370, 16165, 17080, 17690, 18444, 19398, 21228, 21518, 22260, 22631, 23055, 24360, 24766, 25620, 25864, 26535, 30740, 32277, 32330, 35380, 36888, 37149, 38796, 42456, 43036, 44520, 45262, 46110, 48495, 49532, 51240, 53070, 53795, 61480, 61915, 64554, 64660, 67893, 70760, 74298, 77592, 86072, 90524, 92220, 93757, 96990, 99064, 106140, 107590, 113155, 123830, 129108, 129320, 135786, 148596, 161385, 181048, 184440, 185745, 187514, 193980, 212280, 215180, 226310, 247660, 258216, 271572, 281271, 297192, 322770, 339465, 371490, 375028, 387960, 430360, 452620, 468785, 495320, 543144, 562542, 645540, 656299, 678930, 742980, 750056, 905240, 937570, 1125084, 1291080, 1312598, 1357860, 1406355, 1485960, 1875140, 1968897, 2250168, 2625196, 2715720, 2812710, 3281495, 3750280, 3937794, 5250392, 5625420, 6562990, 7875588, 9844485, 11250840, 13125980, 15751176, 19688970, 26251960, 39377940, 78755880]

約数ペア:

[(1, 78755880), (2, 39377940), (3, 26251960), (4, 19688970), (5, 15751176), (6, 13125980), (7, 11250840), (8, 9844485), (10, 7875588), (12, 6562990), (14, 5625420), (15, 5250392), (20, 3937794), (21, 3750280), (24, 3281495), (28, 2812710), (29, 2715720), (30, 2625196), (35, 2250168), (40, 1968897), (42, 1875140), (53, 1485960), (56, 1406355), (58, 1357860), (60, 1312598), (61, 1291080), (70, 1125084), (84, 937570), (87, 905240), (105, 750056), (106, 742980), (116, 678930), (120, 656299), (122, 645540), (140, 562542), (145, 543144), (159, 495320), (168, 468785), (174, 452620), (183, 430360), (203, 387960), (210, 375028), (212, 371490), (232, 339465), (244, 322770), (265, 297192), (280, 281271), (290, 271572), (305, 258216), (318, 247660), (348, 226310), (366, 215180), (371, 212280), (406, 193980), (420, 187514), (424, 185745), (427, 184440), (435, 181048), (488, 161385), (530, 148596), (580, 135786), (609, 129320), (610, 129108), (636, 123830), (696, 113155), (732, 107590), (742, 106140), (795, 99064), (812, 96990), (840, 93757), (854, 92220), (870, 90524), (915, 86072), (1015, 77592), (1060, 74298), (1113, 70760), (1160, 67893), (1218, 64660), (1220, 64554), (1272, 61915), (1281, 61480), (1464, 53795), (1484, 53070), (1537, 51240), (1590, 49532), (1624, 48495), (1708, 46110), (1740, 45262), (1769, 44520), (1830, 43036), (1855, 42456), (2030, 38796), (2120, 37149), (2135, 36888), (2226, 35380), (2436, 32330), (2440, 32277), (2562, 30740), (2968, 26535), (3045, 25864), (3074, 25620), (3180, 24766), (3233, 24360), (3416, 23055), (3480, 22631), (3538, 22260), (3660, 21518), (3710, 21228), (4060, 19398), (4270, 18444), (4452, 17690), (4611, 17080), (4872, 16165), (5124, 15370), (5307, 14840), (5565, 14152), (6090, 12932), (6148, 12810), (6360, 12383), (6405, 12296), (6466, 12180), (7076, 11130), (7320, 10759), (7420, 10614), (7685, 10248), (8120, 9699), (8540, 9222), (8845, 8904)]