31447260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 73122660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 89, 90, 117, 130, 151, 156, 178, 180, 195, 234, 260, 267, 302, 356, 390, 445, 453, 468, 534, 585, 604, 755, 780, 801, 890, 906, 1068, 1157, 1170, 1335, 1359, 1510, 1602, 1780, 1812, 1963, 2265, 2314, 2340, 2670, 2718, 3020, 3204, 3471, 3926, 4005, 4530, 4628, 5340, 5436, 5785, 5889, 6795, 6942, 7852, 8010, 9060, 9815, 10413, 11570, 11778, 13439, 13590, 13884, 16020, 17355, 17667, 19630, 20826, 23140, 23556, 26878, 27180, 29445, 34710, 35334, 39260, 40317, 41652, 52065, 53756, 58890, 67195, 69420, 70668, 80634, 88335, 104130, 117780, 120951, 134390, 161268, 174707, 176670, 201585, 208260, 241902, 268780, 349414, 353340, 403170, 483804, 524121, 604755, 698828, 806340, 873535, 1048242, 1209510, 1572363, 1747070, 2096484, 2419020, 2620605, 3144726, 3494140, 5241210, 6289452, 7861815, 10482420, 15723630, 31447260]

約数ペア:

[(1, 31447260), (2, 15723630), (3, 10482420), (4, 7861815), (5, 6289452), (6, 5241210), (9, 3494140), (10, 3144726), (12, 2620605), (13, 2419020), (15, 2096484), (18, 1747070), (20, 1572363), (26, 1209510), (30, 1048242), (36, 873535), (39, 806340), (45, 698828), (52, 604755), (60, 524121), (65, 483804), (78, 403170), (89, 353340), (90, 349414), (117, 268780), (130, 241902), (151, 208260), (156, 201585), (178, 176670), (180, 174707), (195, 161268), (234, 134390), (260, 120951), (267, 117780), (302, 104130), (356, 88335), (390, 80634), (445, 70668), (453, 69420), (468, 67195), (534, 58890), (585, 53756), (604, 52065), (755, 41652), (780, 40317), (801, 39260), (890, 35334), (906, 34710), (1068, 29445), (1157, 27180), (1170, 26878), (1335, 23556), (1359, 23140), (1510, 20826), (1602, 19630), (1780, 17667), (1812, 17355), (1963, 16020), (2265, 13884), (2314, 13590), (2340, 13439), (2670, 11778), (2718, 11570), (3020, 10413), (3204, 9815), (3471, 9060), (3926, 8010), (4005, 7852), (4530, 6942), (4628, 6795), (5340, 5889), (5436, 5785)]