305984120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3251}}^1$

素因数の和:3456

約数の個数: 64

約数和(自身を含む): 745748640

約数和(自身を除く): 439764520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2353, 3251, 3620, 4706, 6502, 7240, 9412, 11765, 13004, 16255, 18824, 23530, 26008, 32510, 42263, 47060, 65020, 84526, 94120, 130040, 169052, 211315, 338104, 422630, 588431, 845260, 1176862, 1690520, 2353724, 2942155, 4707448, 5884310, 7649603, 11768620, 15299206, 23537240, 30598412, 38248015, 61196824, 76496030, 152992060, 305984120]

約数ペア:

[(1, 305984120), (2, 152992060), (4, 76496030), (5, 61196824), (8, 38248015), (10, 30598412), (13, 23537240), (20, 15299206), (26, 11768620), (40, 7649603), (52, 5884310), (65, 4707448), (104, 2942155), (130, 2353724), (181, 1690520), (260, 1176862), (362, 845260), (520, 588431), (724, 422630), (905, 338104), (1448, 211315), (1810, 169052), (2353, 130040), (3251, 94120), (3620, 84526), (4706, 65020), (6502, 47060), (7240, 42263), (9412, 32510), (11765, 26008), (13004, 23530), (16255, 18824)]