28788240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9227}}^1$

素因数の和:9256

約数の個数: 80

約数和(自身を含む): 96118848

約数和(自身を除く): 67330608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9227, 18454, 27681, 36908, 46135, 55362, 73816, 92270, 110724, 119951, 138405, 147632, 184540, 221448, 239902, 276810, 359853, 369080, 442896, 479804, 553620, 599755, 719706, 738160, 959608, 1107240, 1199510, 1439412, 1799265, 1919216, 2214480, 2399020, 2878824, 3598530, 4798040, 5757648, 7197060, 9596080, 14394120, 28788240]

約数ペア:

[(1, 28788240), (2, 14394120), (3, 9596080), (4, 7197060), (5, 5757648), (6, 4798040), (8, 3598530), (10, 2878824), (12, 2399020), (13, 2214480), (15, 1919216), (16, 1799265), (20, 1439412), (24, 1199510), (26, 1107240), (30, 959608), (39, 738160), (40, 719706), (48, 599755), (52, 553620), (60, 479804), (65, 442896), (78, 369080), (80, 359853), (104, 276810), (120, 239902), (130, 221448), (156, 184540), (195, 147632), (208, 138405), (240, 119951), (260, 110724), (312, 92270), (390, 73816), (520, 55362), (624, 46135), (780, 36908), (1040, 27681), (1560, 18454), (3120, 9227)]