31615020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 101582208

約数和(自身を除く): 69967188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 101, 111, 141, 148, 180, 185, 188, 202, 222, 235, 282, 303, 333, 370, 404, 423, 444, 470, 505, 555, 564, 606, 666, 705, 740, 846, 909, 940, 1010, 1110, 1212, 1332, 1410, 1515, 1665, 1692, 1739, 1818, 2020, 2115, 2220, 2820, 3030, 3330, 3478, 3636, 3737, 4230, 4545, 4747, 5217, 6060, 6660, 6956, 7474, 8460, 8695, 9090, 9494, 10434, 11211, 14241, 14948, 15651, 17390, 18180, 18685, 18988, 20868, 22422, 23735, 26085, 28482, 31302, 33633, 34780, 37370, 42723, 44844, 47470, 52170, 56055, 56964, 62604, 67266, 71205, 74740, 78255, 85446, 94940, 104340, 112110, 134532, 142410, 156510, 168165, 170892, 175639, 213615, 224220, 284820, 313020, 336330, 351278, 427230, 526917, 672660, 702556, 854460, 878195, 1053834, 1580751, 1756390, 2107668, 2634585, 3161502, 3512780, 5269170, 6323004, 7903755, 10538340, 15807510, 31615020]

約数ペア:

[(1, 31615020), (2, 15807510), (3, 10538340), (4, 7903755), (5, 6323004), (6, 5269170), (9, 3512780), (10, 3161502), (12, 2634585), (15, 2107668), (18, 1756390), (20, 1580751), (30, 1053834), (36, 878195), (37, 854460), (45, 702556), (47, 672660), (60, 526917), (74, 427230), (90, 351278), (94, 336330), (101, 313020), (111, 284820), (141, 224220), (148, 213615), (180, 175639), (185, 170892), (188, 168165), (202, 156510), (222, 142410), (235, 134532), (282, 112110), (303, 104340), (333, 94940), (370, 85446), (404, 78255), (423, 74740), (444, 71205), (470, 67266), (505, 62604), (555, 56964), (564, 56055), (606, 52170), (666, 47470), (705, 44844), (740, 42723), (846, 37370), (909, 34780), (940, 33633), (1010, 31302), (1110, 28482), (1212, 26085), (1332, 23735), (1410, 22422), (1515, 20868), (1665, 18988), (1692, 18685), (1739, 18180), (1818, 17390), (2020, 15651), (2115, 14948), (2220, 14241), (2820, 11211), (3030, 10434), (3330, 9494), (3478, 9090), (3636, 8695), (3737, 8460), (4230, 7474), (4545, 6956), (4747, 6660), (5217, 6060)]