71838160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 103150640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 349, 415, 496, 620, 664, 698, 830, 1240, 1328, 1396, 1660, 1745, 2480, 2573, 2792, 3320, 3490, 5146, 5584, 6640, 6980, 10292, 10819, 12865, 13960, 20584, 21638, 25730, 27920, 28967, 41168, 43276, 51460, 54095, 57934, 86552, 102920, 108190, 115868, 144835, 173104, 205840, 216380, 231736, 289670, 432760, 463472, 579340, 865520, 897977, 1158680, 1795954, 2317360, 3591908, 4489885, 7183816, 8979770, 14367632, 17959540, 35919080, 71838160]

約数ペア:

[(1, 71838160), (2, 35919080), (4, 17959540), (5, 14367632), (8, 8979770), (10, 7183816), (16, 4489885), (20, 3591908), (31, 2317360), (40, 1795954), (62, 1158680), (80, 897977), (83, 865520), (124, 579340), (155, 463472), (166, 432760), (248, 289670), (310, 231736), (332, 216380), (349, 205840), (415, 173104), (496, 144835), (620, 115868), (664, 108190), (698, 102920), (830, 86552), (1240, 57934), (1328, 54095), (1396, 51460), (1660, 43276), (1745, 41168), (2480, 28967), (2573, 27920), (2792, 25730), (3320, 21638), (3490, 20584), (5146, 13960), (5584, 12865), (6640, 10819), (6980, 10292)]