156518960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 417212880

約数和(自身を除く): 260693920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 89, 95, 104, 130, 152, 178, 190, 208, 247, 260, 304, 356, 380, 445, 494, 520, 712, 760, 890, 988, 1040, 1157, 1235, 1424, 1520, 1691, 1780, 1976, 2314, 2470, 3382, 3560, 3952, 4628, 4940, 5785, 6764, 7120, 7921, 8455, 9256, 9880, 11570, 13528, 15842, 16910, 18512, 19760, 21983, 23140, 27056, 31684, 33820, 39605, 43966, 46280, 63368, 67640, 79210, 87932, 92560, 102973, 109915, 126736, 135280, 150499, 158420, 175864, 205946, 219830, 300998, 316840, 351728, 411892, 439660, 514865, 601996, 633680, 752495, 823784, 879320, 1029730, 1203992, 1504990, 1647568, 1758640, 1956487, 2059460, 2407984, 3009980, 3912974, 4118920, 6019960, 7825948, 8237840, 9782435, 12039920, 15651896, 19564870, 31303792, 39129740, 78259480, 156518960]

約数ペア:

[(1, 156518960), (2, 78259480), (4, 39129740), (5, 31303792), (8, 19564870), (10, 15651896), (13, 12039920), (16, 9782435), (19, 8237840), (20, 7825948), (26, 6019960), (38, 4118920), (40, 3912974), (52, 3009980), (65, 2407984), (76, 2059460), (80, 1956487), (89, 1758640), (95, 1647568), (104, 1504990), (130, 1203992), (152, 1029730), (178, 879320), (190, 823784), (208, 752495), (247, 633680), (260, 601996), (304, 514865), (356, 439660), (380, 411892), (445, 351728), (494, 316840), (520, 300998), (712, 219830), (760, 205946), (890, 175864), (988, 158420), (1040, 150499), (1157, 135280), (1235, 126736), (1424, 109915), (1520, 102973), (1691, 92560), (1780, 87932), (1976, 79210), (2314, 67640), (2470, 63368), (3382, 46280), (3560, 43966), (3952, 39605), (4628, 33820), (4940, 31684), (5785, 27056), (6764, 23140), (7120, 21983), (7921, 19760), (8455, 18512), (9256, 16910), (9880, 15842), (11570, 13528)]