812296720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19267}}^1$

素因数の和:19328

約数の個数: 80

約数和(自身を含む): 2064296448

約数和(自身を除く): 1251999728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 19267, 21080, 38534, 42160, 77068, 96335, 154136, 192670, 308272, 327539, 385340, 597277, 655078, 770680, 1194554, 1310156, 1541360, 1637695, 2389108, 2620312, 2986385, 3275390, 4778216, 5240624, 5972770, 6550780, 9556432, 10153709, 11945540, 13101560, 20307418, 23891080, 26203120, 40614836, 47782160, 50768545, 81229672, 101537090, 162459344, 203074180, 406148360, 812296720]

約数ペア:

[(1, 812296720), (2, 406148360), (4, 203074180), (5, 162459344), (8, 101537090), (10, 81229672), (16, 50768545), (17, 47782160), (20, 40614836), (31, 26203120), (34, 23891080), (40, 20307418), (62, 13101560), (68, 11945540), (80, 10153709), (85, 9556432), (124, 6550780), (136, 5972770), (155, 5240624), (170, 4778216), (248, 3275390), (272, 2986385), (310, 2620312), (340, 2389108), (496, 1637695), (527, 1541360), (620, 1310156), (680, 1194554), (1054, 770680), (1240, 655078), (1360, 597277), (2108, 385340), (2480, 327539), (2635, 308272), (4216, 192670), (5270, 154136), (8432, 96335), (10540, 77068), (19267, 42160), (21080, 38534)]