18628680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 65018880

約数和(自身を除く): 46390200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 331, 335, 402, 420, 469, 536, 662, 670, 804, 840, 938, 993, 1005, 1324, 1340, 1407, 1608, 1655, 1876, 1986, 2010, 2317, 2345, 2648, 2680, 2814, 3310, 3752, 3972, 4020, 4634, 4690, 4965, 5628, 6620, 6951, 7035, 7944, 8040, 9268, 9380, 9930, 11256, 11585, 13240, 13902, 14070, 18536, 18760, 19860, 22177, 23170, 27804, 28140, 34755, 39720, 44354, 46340, 55608, 56280, 66531, 69510, 88708, 92680, 110885, 133062, 139020, 155239, 177416, 221770, 266124, 278040, 310478, 332655, 443540, 465717, 532248, 620956, 665310, 776195, 887080, 931434, 1241912, 1330620, 1552390, 1862868, 2328585, 2661240, 3104780, 3725736, 4657170, 6209560, 9314340, 18628680]

約数ペア:

[(1, 18628680), (2, 9314340), (3, 6209560), (4, 4657170), (5, 3725736), (6, 3104780), (7, 2661240), (8, 2328585), (10, 1862868), (12, 1552390), (14, 1330620), (15, 1241912), (20, 931434), (21, 887080), (24, 776195), (28, 665310), (30, 620956), (35, 532248), (40, 465717), (42, 443540), (56, 332655), (60, 310478), (67, 278040), (70, 266124), (84, 221770), (105, 177416), (120, 155239), (134, 139020), (140, 133062), (168, 110885), (201, 92680), (210, 88708), (268, 69510), (280, 66531), (331, 56280), (335, 55608), (402, 46340), (420, 44354), (469, 39720), (536, 34755), (662, 28140), (670, 27804), (804, 23170), (840, 22177), (938, 19860), (993, 18760), (1005, 18536), (1324, 14070), (1340, 13902), (1407, 13240), (1608, 11585), (1655, 11256), (1876, 9930), (1986, 9380), (2010, 9268), (2317, 8040), (2345, 7944), (2648, 7035), (2680, 6951), (2814, 6620), (3310, 5628), (3752, 4965), (3972, 4690), (4020, 4634)]