28980120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1429}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 94208400

約数和(自身を除く): 65228280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1429, 1560, 1690, 2028, 2535, 2858, 3380, 4056, 4287, 5070, 5716, 6760, 7145, 8574, 10140, 11432, 14290, 17148, 18577, 20280, 21435, 28580, 34296, 37154, 42870, 55731, 57160, 74308, 85740, 92885, 111462, 148616, 171480, 185770, 222924, 241501, 278655, 371540, 445848, 483002, 557310, 724503, 743080, 966004, 1114620, 1207505, 1449006, 1932008, 2229240, 2415010, 2898012, 3622515, 4830020, 5796024, 7245030, 9660040, 14490060, 28980120]

約数ペア:

[(1, 28980120), (2, 14490060), (3, 9660040), (4, 7245030), (5, 5796024), (6, 4830020), (8, 3622515), (10, 2898012), (12, 2415010), (13, 2229240), (15, 1932008), (20, 1449006), (24, 1207505), (26, 1114620), (30, 966004), (39, 743080), (40, 724503), (52, 557310), (60, 483002), (65, 445848), (78, 371540), (104, 278655), (120, 241501), (130, 222924), (156, 185770), (169, 171480), (195, 148616), (260, 111462), (312, 92885), (338, 85740), (390, 74308), (507, 57160), (520, 55731), (676, 42870), (780, 37154), (845, 34296), (1014, 28580), (1352, 21435), (1429, 20280), (1560, 18577), (1690, 17148), (2028, 14290), (2535, 11432), (2858, 10140), (3380, 8574), (4056, 7145), (4287, 6760), (5070, 5716)]