31958760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 70684440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 131, 152, 190, 214, 228, 262, 285, 321, 380, 393, 428, 456, 524, 535, 570, 642, 655, 760, 786, 856, 1048, 1070, 1140, 1284, 1310, 1572, 1605, 1965, 2033, 2140, 2280, 2489, 2568, 2620, 3144, 3210, 3930, 4066, 4280, 4978, 5240, 6099, 6420, 7467, 7860, 8132, 9956, 10165, 12198, 12445, 12840, 14017, 14934, 15720, 16264, 19912, 20330, 24396, 24890, 28034, 29868, 30495, 37335, 40660, 42051, 48792, 49780, 56068, 59736, 60990, 70085, 74670, 81320, 84102, 99560, 112136, 121980, 140170, 149340, 168204, 210255, 243960, 266323, 280340, 298680, 336408, 420510, 532646, 560680, 798969, 841020, 1065292, 1331615, 1597938, 1682040, 2130584, 2663230, 3195876, 3994845, 5326460, 6391752, 7989690, 10652920, 15979380, 31958760]

約数ペア:

[(1, 31958760), (2, 15979380), (3, 10652920), (4, 7989690), (5, 6391752), (6, 5326460), (8, 3994845), (10, 3195876), (12, 2663230), (15, 2130584), (19, 1682040), (20, 1597938), (24, 1331615), (30, 1065292), (38, 841020), (40, 798969), (57, 560680), (60, 532646), (76, 420510), (95, 336408), (107, 298680), (114, 280340), (120, 266323), (131, 243960), (152, 210255), (190, 168204), (214, 149340), (228, 140170), (262, 121980), (285, 112136), (321, 99560), (380, 84102), (393, 81320), (428, 74670), (456, 70085), (524, 60990), (535, 59736), (570, 56068), (642, 49780), (655, 48792), (760, 42051), (786, 40660), (856, 37335), (1048, 30495), (1070, 29868), (1140, 28034), (1284, 24890), (1310, 24396), (1572, 20330), (1605, 19912), (1965, 16264), (2033, 15720), (2140, 14934), (2280, 14017), (2489, 12840), (2568, 12445), (2620, 12198), (3144, 10165), (3210, 9956), (3930, 8132), (4066, 7860), (4280, 7467), (4978, 6420), (5240, 6099)]