648485280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 288

約数和(自身を含む): 2327270400

約数和(自身を除く): 1678785120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 73, 80, 90, 93, 96, 120, 124, 144, 146, 155, 160, 180, 186, 199, 219, 240, 248, 279, 288, 292, 310, 360, 365, 372, 398, 438, 465, 480, 496, 558, 584, 597, 620, 657, 720, 730, 744, 796, 876, 930, 992, 995, 1095, 1116, 1168, 1194, 1240, 1314, 1395, 1440, 1460, 1488, 1592, 1752, 1791, 1860, 1990, 2190, 2232, 2263, 2336, 2388, 2480, 2628, 2790, 2920, 2976, 2985, 3184, 3285, 3504, 3582, 3720, 3980, 4380, 4464, 4526, 4776, 4960, 5256, 5580, 5840, 5970, 6169, 6368, 6570, 6789, 7008, 7164, 7440, 7960, 8760, 8928, 8955, 9052, 9552, 10512, 11160, 11315, 11680, 11940, 12338, 13140, 13578, 14328, 14527, 14880, 15920, 17520, 17910, 18104, 18507, 19104, 20367, 21024, 22320, 22630, 23880, 24676, 26280, 27156, 28656, 29054, 30845, 31840, 33945, 35040, 35820, 36208, 37014, 40734, 43581, 44640, 45260, 47760, 49352, 52560, 54312, 55521, 57312, 58108, 61690, 67890, 71640, 72416, 72635, 74028, 81468, 87162, 90520, 92535, 95520, 98704, 101835, 105120, 108624, 111042, 116216, 123380, 130743, 135780, 143280, 145270, 148056, 162936, 174324, 181040, 185070, 197408, 203670, 217248, 217905, 222084, 232432, 246760, 261486, 271560, 277605, 286560, 290540, 296112, 325872, 348648, 362080, 370140, 407340, 435810, 444168, 450337, 464864, 493520, 522972, 543120, 555210, 581080, 592224, 651744, 653715, 697296, 740280, 814680, 871620, 888336, 900674, 987040, 1045944, 1086240, 1110420, 1162160, 1307430, 1351011, 1394592, 1480560, 1629360, 1743240, 1776672, 1801348, 2091888, 2220840, 2251685, 2324320, 2614860, 2702022, 2961120, 3258720, 3486480, 3602696, 4053033, 4183776, 4441680, 4503370, 5229720, 5404044, 6755055, 6972960, 7205392, 8106066, 8883360, 9006740, 10459440, 10808088, 13510110, 14410784, 16212132, 18013480, 20265165, 20918880, 21616176, 27020220, 32424264, 36026960, 40530330, 43232352, 54040440, 64848528, 72053920, 81060660, 108080880, 129697056, 162121320, 216161760, 324242640, 648485280]

約数ペア:

[(1, 648485280), (2, 324242640), (3, 216161760), (4, 162121320), (5, 129697056), (6, 108080880), (8, 81060660), (9, 72053920), (10, 64848528), (12, 54040440), (15, 43232352), (16, 40530330), (18, 36026960), (20, 32424264), (24, 27020220), (30, 21616176), (31, 20918880), (32, 20265165), (36, 18013480), (40, 16212132), (45, 14410784), (48, 13510110), (60, 10808088), (62, 10459440), (72, 9006740), (73, 8883360), (80, 8106066), (90, 7205392), (93, 6972960), (96, 6755055), (120, 5404044), (124, 5229720), (144, 4503370), (146, 4441680), (155, 4183776), (160, 4053033), (180, 3602696), (186, 3486480), (199, 3258720), (219, 2961120), (240, 2702022), (248, 2614860), (279, 2324320), (288, 2251685), (292, 2220840), (310, 2091888), (360, 1801348), (365, 1776672), (372, 1743240), (398, 1629360), (438, 1480560), (465, 1394592), (480, 1351011), (496, 1307430), (558, 1162160), (584, 1110420), (597, 1086240), (620, 1045944), (657, 987040), (720, 900674), (730, 888336), (744, 871620), (796, 814680), (876, 740280), (930, 697296), (992, 653715), (995, 651744), (1095, 592224), (1116, 581080), (1168, 555210), (1194, 543120), (1240, 522972), (1314, 493520), (1395, 464864), (1440, 450337), (1460, 444168), (1488, 435810), (1592, 407340), (1752, 370140), (1791, 362080), (1860, 348648), (1990, 325872), (2190, 296112), (2232, 290540), (2263, 286560), (2336, 277605), (2388, 271560), (2480, 261486), (2628, 246760), (2790, 232432), (2920, 222084), (2976, 217905), (2985, 217248), (3184, 203670), (3285, 197408), (3504, 185070), (3582, 181040), (3720, 174324), (3980, 162936), (4380, 148056), (4464, 145270), (4526, 143280), (4776, 135780), (4960, 130743), (5256, 123380), (5580, 116216), (5840, 111042), (5970, 108624), (6169, 105120), (6368, 101835), (6570, 98704), (6789, 95520), (7008, 92535), (7164, 90520), (7440, 87162), (7960, 81468), (8760, 74028), (8928, 72635), (8955, 72416), (9052, 71640), (9552, 67890), (10512, 61690), (11160, 58108), (11315, 57312), (11680, 55521), (11940, 54312), (12338, 52560), (13140, 49352), (13578, 47760), (14328, 45260), (14527, 44640), (14880, 43581), (15920, 40734), (17520, 37014), (17910, 36208), (18104, 35820), (18507, 35040), (19104, 33945), (20367, 31840), (21024, 30845), (22320, 29054), (22630, 28656), (23880, 27156), (24676, 26280)]