27943020

素因数分解:

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

素因数の和:420

約数の個数: 144

約数和(自身を含む): 98611968

約数和(自身を除く): 70668948

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, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 331, 335, 402, 420, 469, 603, 630, 662, 670, 804, 938, 993, 1005, 1206, 1260, 1324, 1340, 1407, 1655, 1876, 1986, 2010, 2317, 2345, 2412, 2814, 2979, 3015, 3310, 3972, 4020, 4221, 4634, 4690, 4965, 5628, 5958, 6030, 6620, 6951, 7035, 8442, 9268, 9380, 9930, 11585, 11916, 12060, 13902, 14070, 14895, 16884, 19860, 20853, 21105, 22177, 23170, 27804, 28140, 29790, 34755, 41706, 42210, 44354, 46340, 59580, 66531, 69510, 83412, 84420, 88708, 104265, 110885, 133062, 139020, 155239, 199593, 208530, 221770, 266124, 310478, 332655, 399186, 417060, 443540, 465717, 620956, 665310, 776195, 798372, 931434, 997965, 1330620, 1397151, 1552390, 1862868, 1995930, 2328585, 2794302, 3104780, 3991860, 4657170, 5588604, 6985755, 9314340, 13971510, 27943020]

約数ペア:

[(1, 27943020), (2, 13971510), (3, 9314340), (4, 6985755), (5, 5588604), (6, 4657170), (7, 3991860), (9, 3104780), (10, 2794302), (12, 2328585), (14, 1995930), (15, 1862868), (18, 1552390), (20, 1397151), (21, 1330620), (28, 997965), (30, 931434), (35, 798372), (36, 776195), (42, 665310), (45, 620956), (60, 465717), (63, 443540), (67, 417060), (70, 399186), (84, 332655), (90, 310478), (105, 266124), (126, 221770), (134, 208530), (140, 199593), (180, 155239), (201, 139020), (210, 133062), (252, 110885), (268, 104265), (315, 88708), (331, 84420), (335, 83412), (402, 69510), (420, 66531), (469, 59580), (603, 46340), (630, 44354), (662, 42210), (670, 41706), (804, 34755), (938, 29790), (993, 28140), (1005, 27804), (1206, 23170), (1260, 22177), (1324, 21105), (1340, 20853), (1407, 19860), (1655, 16884), (1876, 14895), (1986, 14070), (2010, 13902), (2317, 12060), (2345, 11916), (2412, 11585), (2814, 9930), (2979, 9380), (3015, 9268), (3310, 8442), (3972, 7035), (4020, 6951), (4221, 6620), (4634, 6030), (4690, 5958), (4965, 5628)]