872880640

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 160

約数和(自身を含む): 2290996224

約数和(自身を除く): 1418115584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 647, 680, 992, 1054, 1088, 1240, 1280, 1294, 1360, 1984, 2108, 2176, 2480, 2560, 2588, 2635, 2720, 3235, 3968, 4216, 4352, 4960, 5176, 5270, 5440, 6470, 7936, 8432, 8704, 9920, 10352, 10540, 10880, 10999, 12940, 15872, 16864, 19840, 20057, 20704, 21080, 21760, 21998, 25880, 33728, 39680, 40114, 41408, 42160, 43520, 43996, 51760, 54995, 67456, 79360, 80228, 82816, 84320, 87992, 100285, 103520, 109990, 134912, 160456, 165632, 168640, 175984, 200570, 207040, 219980, 269824, 320912, 331264, 337280, 340969, 351968, 401140, 414080, 439960, 641824, 674560, 681938, 703936, 802280, 828160, 879920, 1283648, 1349120, 1363876, 1407872, 1604560, 1656320, 1704845, 1759840, 2567296, 2727752, 2815744, 3209120, 3409690, 3519680, 5134592, 5455504, 5631488, 6418240, 6819380, 7039360, 10269184, 10911008, 12836480, 13638760, 14078720, 21822016, 25672960, 27277520, 28157440, 43644032, 51345920, 54555040, 87288064, 109110080, 174576128, 218220160, 436440320, 872880640]

約数ペア:

[(1, 872880640), (2, 436440320), (4, 218220160), (5, 174576128), (8, 109110080), (10, 87288064), (16, 54555040), (17, 51345920), (20, 43644032), (31, 28157440), (32, 27277520), (34, 25672960), (40, 21822016), (62, 14078720), (64, 13638760), (68, 12836480), (80, 10911008), (85, 10269184), (124, 7039360), (128, 6819380), (136, 6418240), (155, 5631488), (160, 5455504), (170, 5134592), (248, 3519680), (256, 3409690), (272, 3209120), (310, 2815744), (320, 2727752), (340, 2567296), (496, 1759840), (512, 1704845), (527, 1656320), (544, 1604560), (620, 1407872), (640, 1363876), (647, 1349120), (680, 1283648), (992, 879920), (1054, 828160), (1088, 802280), (1240, 703936), (1280, 681938), (1294, 674560), (1360, 641824), (1984, 439960), (2108, 414080), (2176, 401140), (2480, 351968), (2560, 340969), (2588, 337280), (2635, 331264), (2720, 320912), (3235, 269824), (3968, 219980), (4216, 207040), (4352, 200570), (4960, 175984), (5176, 168640), (5270, 165632), (5440, 160456), (6470, 134912), (7936, 109990), (8432, 103520), (8704, 100285), (9920, 87992), (10352, 84320), (10540, 82816), (10880, 80228), (10999, 79360), (12940, 67456), (15872, 54995), (16864, 51760), (19840, 43996), (20057, 43520), (20704, 42160), (21080, 41408), (21760, 40114), (21998, 39680), (25880, 33728)]