7280520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 23716800

約数和(自身を除く): 16436280

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, 359, 390, 507, 520, 676, 718, 780, 845, 1014, 1077, 1352, 1436, 1560, 1690, 1795, 2028, 2154, 2535, 2872, 3380, 3590, 4056, 4308, 4667, 5070, 5385, 6760, 7180, 8616, 9334, 10140, 10770, 14001, 14360, 18668, 20280, 21540, 23335, 28002, 37336, 43080, 46670, 56004, 60671, 70005, 93340, 112008, 121342, 140010, 182013, 186680, 242684, 280020, 303355, 364026, 485368, 560040, 606710, 728052, 910065, 1213420, 1456104, 1820130, 2426840, 3640260, 7280520]

約数ペア:

[(1, 7280520), (2, 3640260), (3, 2426840), (4, 1820130), (5, 1456104), (6, 1213420), (8, 910065), (10, 728052), (12, 606710), (13, 560040), (15, 485368), (20, 364026), (24, 303355), (26, 280020), (30, 242684), (39, 186680), (40, 182013), (52, 140010), (60, 121342), (65, 112008), (78, 93340), (104, 70005), (120, 60671), (130, 56004), (156, 46670), (169, 43080), (195, 37336), (260, 28002), (312, 23335), (338, 21540), (359, 20280), (390, 18668), (507, 14360), (520, 14001), (676, 10770), (718, 10140), (780, 9334), (845, 8616), (1014, 7180), (1077, 6760), (1352, 5385), (1436, 5070), (1560, 4667), (1690, 4308), (1795, 4056), (2028, 3590), (2154, 3380), (2535, 2872)]