31437900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2687}}^1$

素因数の和:2720

約数の個数: 108

約数和(自身を含む): 106159872

約数和(自身を除く): 74721972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2687, 2925, 3900, 5374, 5850, 8061, 10748, 11700, 13435, 16122, 24183, 26870, 32244, 34931, 40305, 48366, 53740, 67175, 69862, 80610, 96732, 104793, 120915, 134350, 139724, 161220, 174655, 201525, 209586, 241830, 268700, 314379, 349310, 403050, 419172, 483660, 523965, 604575, 628758, 698620, 806100, 873275, 1047930, 1209150, 1257516, 1571895, 1746550, 2095860, 2418300, 2619825, 3143790, 3493100, 5239650, 6287580, 7859475, 10479300, 15718950, 31437900]

約数ペア:

[(1, 31437900), (2, 15718950), (3, 10479300), (4, 7859475), (5, 6287580), (6, 5239650), (9, 3493100), (10, 3143790), (12, 2619825), (13, 2418300), (15, 2095860), (18, 1746550), (20, 1571895), (25, 1257516), (26, 1209150), (30, 1047930), (36, 873275), (39, 806100), (45, 698620), (50, 628758), (52, 604575), (60, 523965), (65, 483660), (75, 419172), (78, 403050), (90, 349310), (100, 314379), (117, 268700), (130, 241830), (150, 209586), (156, 201525), (180, 174655), (195, 161220), (225, 139724), (234, 134350), (260, 120915), (300, 104793), (325, 96732), (390, 80610), (450, 69862), (468, 67175), (585, 53740), (650, 48366), (780, 40305), (900, 34931), (975, 32244), (1170, 26870), (1300, 24183), (1950, 16122), (2340, 13435), (2687, 11700), (2925, 10748), (3900, 8061), (5374, 5850)]