1640135910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251941}}^1$

素因数の和:251989

約数の個数: 64

約数和(自身を含む): 4643794944

約数和(自身を除く): 3003659034

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 251941, 503882, 755823, 1259705, 1511646, 1763587, 2519410, 3527174, 3779115, 5290761, 7558230, 7810171, 8817935, 10581522, 15620342, 17635870, 23430513, 26453805, 39050855, 46861026, 52907610, 54671197, 78101710, 109342394, 117152565, 164013591, 234305130, 273355985, 328027182, 546711970, 820067955, 1640135910]

約数ペア:

[(1, 1640135910), (2, 820067955), (3, 546711970), (5, 328027182), (6, 273355985), (7, 234305130), (10, 164013591), (14, 117152565), (15, 109342394), (21, 78101710), (30, 54671197), (31, 52907610), (35, 46861026), (42, 39050855), (62, 26453805), (70, 23430513), (93, 17635870), (105, 15620342), (155, 10581522), (186, 8817935), (210, 7810171), (217, 7558230), (310, 5290761), (434, 3779115), (465, 3527174), (651, 2519410), (930, 1763587), (1085, 1511646), (1302, 1259705), (2170, 755823), (3255, 503882), (6510, 251941)]