87808140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 306738432

約数和(自身を除く): 218930292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 307, 315, 420, 454, 614, 630, 681, 908, 921, 1135, 1228, 1260, 1362, 1535, 1589, 1842, 2043, 2149, 2270, 2724, 2763, 3070, 3178, 3405, 3684, 4086, 4298, 4540, 4605, 4767, 5526, 6140, 6356, 6447, 6810, 7945, 8172, 8596, 9210, 9534, 10215, 10745, 11052, 12894, 13620, 13815, 14301, 15890, 18420, 19068, 19341, 20430, 21490, 23835, 25788, 27630, 28602, 31780, 32235, 38682, 40860, 42980, 47670, 55260, 57204, 64470, 69689, 71505, 77364, 95340, 96705, 128940, 139378, 143010, 193410, 209067, 278756, 286020, 348445, 386820, 418134, 487823, 627201, 696890, 836268, 975646, 1045335, 1254402, 1393780, 1463469, 1951292, 2090670, 2439115, 2508804, 2926938, 3136005, 4181340, 4390407, 4878230, 5853876, 6272010, 7317345, 8780814, 9756460, 12544020, 14634690, 17561628, 21952035, 29269380, 43904070, 87808140]

約数ペア:

[(1, 87808140), (2, 43904070), (3, 29269380), (4, 21952035), (5, 17561628), (6, 14634690), (7, 12544020), (9, 9756460), (10, 8780814), (12, 7317345), (14, 6272010), (15, 5853876), (18, 4878230), (20, 4390407), (21, 4181340), (28, 3136005), (30, 2926938), (35, 2508804), (36, 2439115), (42, 2090670), (45, 1951292), (60, 1463469), (63, 1393780), (70, 1254402), (84, 1045335), (90, 975646), (105, 836268), (126, 696890), (140, 627201), (180, 487823), (210, 418134), (227, 386820), (252, 348445), (307, 286020), (315, 278756), (420, 209067), (454, 193410), (614, 143010), (630, 139378), (681, 128940), (908, 96705), (921, 95340), (1135, 77364), (1228, 71505), (1260, 69689), (1362, 64470), (1535, 57204), (1589, 55260), (1842, 47670), (2043, 42980), (2149, 40860), (2270, 38682), (2724, 32235), (2763, 31780), (3070, 28602), (3178, 27630), (3405, 25788), (3684, 23835), (4086, 21490), (4298, 20430), (4540, 19341), (4605, 19068), (4767, 18420), (5526, 15890), (6140, 14301), (6356, 13815), (6447, 13620), (6810, 12894), (7945, 11052), (8172, 10745), (8596, 10215), (9210, 9534)]