61321540

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1277}}^1$

素因数の和:1314

約数の個数: 60

約数和(自身を含む): 150346476

約数和(自身を除く): 89024936

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1277, 1372, 1715, 2401, 2554, 3430, 4802, 5108, 6385, 6860, 8939, 9604, 12005, 12770, 17878, 24010, 25540, 35756, 44695, 48020, 62573, 89390, 125146, 178780, 250292, 312865, 438011, 625730, 876022, 1251460, 1752044, 2190055, 3066077, 4380110, 6132154, 8760220, 12264308, 15330385, 30660770, 61321540]

約数ペア:

[(1, 61321540), (2, 30660770), (4, 15330385), (5, 12264308), (7, 8760220), (10, 6132154), (14, 4380110), (20, 3066077), (28, 2190055), (35, 1752044), (49, 1251460), (70, 876022), (98, 625730), (140, 438011), (196, 312865), (245, 250292), (343, 178780), (490, 125146), (686, 89390), (980, 62573), (1277, 48020), (1372, 44695), (1715, 35756), (2401, 25540), (2554, 24010), (3430, 17878), (4802, 12770), (5108, 12005), (6385, 9604), (6860, 8939)]