212345880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29009}}^1$

素因数の和:29084

約数の個数: 64

約数和(自身を含む): 647503200

約数和(自身を除く): 435157320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 29009, 58018, 87027, 116036, 145045, 174054, 232072, 290090, 348108, 435135, 580180, 696216, 870270, 1160360, 1740540, 1769549, 3481080, 3539098, 5308647, 7078196, 8847745, 10617294, 14156392, 17695490, 21234588, 26543235, 35390980, 42469176, 53086470, 70781960, 106172940, 212345880]

約数ペア:

[(1, 212345880), (2, 106172940), (3, 70781960), (4, 53086470), (5, 42469176), (6, 35390980), (8, 26543235), (10, 21234588), (12, 17695490), (15, 14156392), (20, 10617294), (24, 8847745), (30, 7078196), (40, 5308647), (60, 3539098), (61, 3481080), (120, 1769549), (122, 1740540), (183, 1160360), (244, 870270), (305, 696216), (366, 580180), (488, 435135), (610, 348108), (732, 290090), (915, 232072), (1220, 174054), (1464, 145045), (1830, 116036), (2440, 87027), (3660, 58018), (7320, 29009)]