28823340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5279}}^1$

素因数の和:5311

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 70525140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5279, 5460, 10558, 15837, 21116, 26395, 31674, 36953, 52790, 63348, 68627, 73906, 79185, 105580, 110859, 137254, 147812, 158370, 184765, 205881, 221718, 274508, 316740, 343135, 369530, 411762, 443436, 480389, 554295, 686270, 739060, 823524, 960778, 1029405, 1108590, 1372540, 1441167, 1921556, 2058810, 2217180, 2401945, 2882334, 4117620, 4803890, 5764668, 7205835, 9607780, 14411670, 28823340]

約数ペア:

[(1, 28823340), (2, 14411670), (3, 9607780), (4, 7205835), (5, 5764668), (6, 4803890), (7, 4117620), (10, 2882334), (12, 2401945), (13, 2217180), (14, 2058810), (15, 1921556), (20, 1441167), (21, 1372540), (26, 1108590), (28, 1029405), (30, 960778), (35, 823524), (39, 739060), (42, 686270), (52, 554295), (60, 480389), (65, 443436), (70, 411762), (78, 369530), (84, 343135), (91, 316740), (105, 274508), (130, 221718), (140, 205881), (156, 184765), (182, 158370), (195, 147812), (210, 137254), (260, 110859), (273, 105580), (364, 79185), (390, 73906), (420, 68627), (455, 63348), (546, 52790), (780, 36953), (910, 31674), (1092, 26395), (1365, 21116), (1820, 15837), (2730, 10558), (5279, 5460)]