321129620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1321

約数の個数: 96

約数和(自身を含む): 809281536

約数和(自身を除く): 488151916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 305, 310, 427, 434, 610, 620, 854, 868, 1085, 1213, 1220, 1708, 1891, 2135, 2170, 2426, 3782, 4270, 4340, 4852, 6065, 7564, 8491, 8540, 9455, 12130, 13237, 16982, 18910, 24260, 26474, 33964, 37603, 37820, 42455, 52948, 66185, 73993, 75206, 84910, 132370, 147986, 150412, 169820, 188015, 263221, 264740, 295972, 369965, 376030, 517951, 526442, 739930, 752060, 1035902, 1052884, 1316105, 1479860, 2071804, 2293783, 2589755, 2632210, 4587566, 5179510, 5264420, 9175132, 10359020, 11468915, 16056481, 22937830, 32112962, 45875660, 64225924, 80282405, 160564810, 321129620]

約数ペア:

[(1, 321129620), (2, 160564810), (4, 80282405), (5, 64225924), (7, 45875660), (10, 32112962), (14, 22937830), (20, 16056481), (28, 11468915), (31, 10359020), (35, 9175132), (61, 5264420), (62, 5179510), (70, 4587566), (122, 2632210), (124, 2589755), (140, 2293783), (155, 2071804), (217, 1479860), (244, 1316105), (305, 1052884), (310, 1035902), (427, 752060), (434, 739930), (610, 526442), (620, 517951), (854, 376030), (868, 369965), (1085, 295972), (1213, 264740), (1220, 263221), (1708, 188015), (1891, 169820), (2135, 150412), (2170, 147986), (2426, 132370), (3782, 84910), (4270, 75206), (4340, 73993), (4852, 66185), (6065, 52948), (7564, 42455), (8491, 37820), (8540, 37603), (9455, 33964), (12130, 26474), (13237, 24260), (16982, 18910)]