218220160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 571069440

約数和(自身を除く): 352849280

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, 272, 310, 320, 340, 496, 527, 544, 620, 640, 647, 680, 992, 1054, 1088, 1240, 1294, 1360, 1984, 2108, 2176, 2480, 2588, 2635, 2720, 3235, 3968, 4216, 4960, 5176, 5270, 5440, 6470, 8432, 9920, 10352, 10540, 10880, 10999, 12940, 16864, 19840, 20057, 20704, 21080, 21998, 25880, 33728, 40114, 41408, 42160, 43996, 51760, 54995, 67456, 80228, 82816, 84320, 87992, 100285, 103520, 109990, 160456, 168640, 175984, 200570, 207040, 219980, 320912, 337280, 340969, 351968, 401140, 414080, 439960, 641824, 681938, 703936, 802280, 879920, 1283648, 1363876, 1407872, 1604560, 1704845, 1759840, 2567296, 2727752, 3209120, 3409690, 3519680, 5455504, 6418240, 6819380, 7039360, 10911008, 12836480, 13638760, 21822016, 27277520, 43644032, 54555040, 109110080, 218220160]

約数ペア:

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