205570920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 646179840

約数和(自身を除く): 440608920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 73, 93, 120, 124, 146, 155, 186, 219, 248, 292, 310, 365, 372, 438, 465, 584, 620, 730, 744, 757, 876, 930, 1095, 1240, 1460, 1514, 1752, 1860, 2190, 2263, 2271, 2920, 3028, 3720, 3785, 4380, 4526, 4542, 6056, 6789, 7570, 8760, 9052, 9084, 11315, 11355, 13578, 15140, 18104, 18168, 22630, 22710, 23467, 27156, 30280, 33945, 45260, 45420, 46934, 54312, 55261, 67890, 70401, 90520, 90840, 93868, 110522, 117335, 135780, 140802, 165783, 187736, 221044, 234670, 271560, 276305, 281604, 331566, 352005, 442088, 469340, 552610, 563208, 663132, 704010, 828915, 938680, 1105220, 1326264, 1408020, 1657830, 1713091, 2210440, 2816040, 3315660, 3426182, 5139273, 6631320, 6852364, 8565455, 10278546, 13704728, 17130910, 20557092, 25696365, 34261820, 41114184, 51392730, 68523640, 102785460, 205570920]

約数ペア:

[(1, 205570920), (2, 102785460), (3, 68523640), (4, 51392730), (5, 41114184), (6, 34261820), (8, 25696365), (10, 20557092), (12, 17130910), (15, 13704728), (20, 10278546), (24, 8565455), (30, 6852364), (31, 6631320), (40, 5139273), (60, 3426182), (62, 3315660), (73, 2816040), (93, 2210440), (120, 1713091), (124, 1657830), (146, 1408020), (155, 1326264), (186, 1105220), (219, 938680), (248, 828915), (292, 704010), (310, 663132), (365, 563208), (372, 552610), (438, 469340), (465, 442088), (584, 352005), (620, 331566), (730, 281604), (744, 276305), (757, 271560), (876, 234670), (930, 221044), (1095, 187736), (1240, 165783), (1460, 140802), (1514, 135780), (1752, 117335), (1860, 110522), (2190, 93868), (2263, 90840), (2271, 90520), (2920, 70401), (3028, 67890), (3720, 55261), (3785, 54312), (4380, 46934), (4526, 45420), (4542, 45260), (6056, 33945), (6789, 30280), (7570, 27156), (8760, 23467), (9052, 22710), (9084, 22630), (11315, 18168), (11355, 18104), (13578, 15140)]