8197980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 26611200

約数和(自身を除く): 18413220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 149, 210, 262, 298, 393, 420, 447, 524, 596, 655, 745, 786, 894, 917, 1043, 1310, 1490, 1572, 1788, 1834, 1965, 2086, 2235, 2620, 2751, 2980, 3129, 3668, 3930, 4172, 4470, 4585, 5215, 5502, 6258, 7860, 8940, 9170, 10430, 11004, 12516, 13755, 15645, 18340, 19519, 20860, 27510, 31290, 39038, 55020, 58557, 62580, 78076, 97595, 117114, 136633, 195190, 234228, 273266, 292785, 390380, 409899, 546532, 585570, 683165, 819798, 1171140, 1366330, 1639596, 2049495, 2732660, 4098990, 8197980]

約数ペア:

[(1, 8197980), (2, 4098990), (3, 2732660), (4, 2049495), (5, 1639596), (6, 1366330), (7, 1171140), (10, 819798), (12, 683165), (14, 585570), (15, 546532), (20, 409899), (21, 390380), (28, 292785), (30, 273266), (35, 234228), (42, 195190), (60, 136633), (70, 117114), (84, 97595), (105, 78076), (131, 62580), (140, 58557), (149, 55020), (210, 39038), (262, 31290), (298, 27510), (393, 20860), (420, 19519), (447, 18340), (524, 15645), (596, 13755), (655, 12516), (745, 11004), (786, 10430), (894, 9170), (917, 8940), (1043, 7860), (1310, 6258), (1490, 5502), (1572, 5215), (1788, 4585), (1834, 4470), (1965, 4172), (2086, 3930), (2235, 3668), (2620, 3129), (2751, 2980)]