1645291520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 4189086720

約数和(自身を除く): 2543795200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 73, 80, 124, 128, 142, 146, 155, 160, 248, 256, 284, 292, 310, 320, 355, 365, 496, 512, 568, 584, 620, 640, 710, 730, 992, 1024, 1136, 1168, 1240, 1280, 1420, 1460, 1984, 2048, 2201, 2263, 2272, 2336, 2480, 2560, 2840, 2920, 3968, 4402, 4526, 4544, 4672, 4960, 5120, 5183, 5680, 5840, 7936, 8804, 9052, 9088, 9344, 9920, 10240, 10366, 11005, 11315, 11360, 11680, 15872, 17608, 18104, 18176, 18688, 19840, 20732, 22010, 22630, 22720, 23360, 25915, 31744, 35216, 36208, 36352, 37376, 39680, 41464, 44020, 45260, 45440, 46720, 51830, 63488, 70432, 72416, 72704, 74752, 79360, 82928, 88040, 90520, 90880, 93440, 103660, 140864, 144832, 145408, 149504, 158720, 160673, 165856, 176080, 181040, 181760, 186880, 207320, 281728, 289664, 317440, 321346, 331712, 352160, 362080, 363520, 373760, 414640, 563456, 579328, 642692, 663424, 704320, 724160, 727040, 747520, 803365, 829280, 1126912, 1158656, 1285384, 1326848, 1408640, 1448320, 1606730, 1658560, 2253824, 2317312, 2570768, 2653696, 2817280, 2896640, 3213460, 3317120, 4507648, 4634624, 5141536, 5307392, 5634560, 5793280, 6426920, 6634240, 10283072, 10614784, 11269120, 11586560, 12853840, 13268480, 20566144, 22538240, 23173120, 25707680, 26536960, 41132288, 51415360, 53073920, 82264576, 102830720, 164529152, 205661440, 329058304, 411322880, 822645760, 1645291520]

約数ペア:

[(1, 1645291520), (2, 822645760), (4, 411322880), (5, 329058304), (8, 205661440), (10, 164529152), (16, 102830720), (20, 82264576), (31, 53073920), (32, 51415360), (40, 41132288), (62, 26536960), (64, 25707680), (71, 23173120), (73, 22538240), (80, 20566144), (124, 13268480), (128, 12853840), (142, 11586560), (146, 11269120), (155, 10614784), (160, 10283072), (248, 6634240), (256, 6426920), (284, 5793280), (292, 5634560), (310, 5307392), (320, 5141536), (355, 4634624), (365, 4507648), (496, 3317120), (512, 3213460), (568, 2896640), (584, 2817280), (620, 2653696), (640, 2570768), (710, 2317312), (730, 2253824), (992, 1658560), (1024, 1606730), (1136, 1448320), (1168, 1408640), (1240, 1326848), (1280, 1285384), (1420, 1158656), (1460, 1126912), (1984, 829280), (2048, 803365), (2201, 747520), (2263, 727040), (2272, 724160), (2336, 704320), (2480, 663424), (2560, 642692), (2840, 579328), (2920, 563456), (3968, 414640), (4402, 373760), (4526, 363520), (4544, 362080), (4672, 352160), (4960, 331712), (5120, 321346), (5183, 317440), (5680, 289664), (5840, 281728), (7936, 207320), (8804, 186880), (9052, 181760), (9088, 181040), (9344, 176080), (9920, 165856), (10240, 160673), (10366, 158720), (11005, 149504), (11315, 145408), (11360, 144832), (11680, 140864), (15872, 103660), (17608, 93440), (18104, 90880), (18176, 90520), (18688, 88040), (19840, 82928), (20732, 79360), (22010, 74752), (22630, 72704), (22720, 72416), (23360, 70432), (25915, 63488), (31744, 51830), (35216, 46720), (36208, 45440), (36352, 45260), (37376, 44020), (39680, 41464)]