74881560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2137

約数の個数: 128

約数和(自身を含む): 252564480

約数和(自身を除く): 177682920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2087, 2392, 2760, 2990, 3588, 4174, 4485, 5980, 6261, 7176, 8348, 8970, 10435, 11960, 12522, 16696, 17940, 20870, 25044, 27131, 31305, 35880, 41740, 48001, 50088, 54262, 62610, 81393, 83480, 96002, 108524, 125220, 135655, 144003, 162786, 192004, 217048, 240005, 250440, 271310, 288006, 325572, 384008, 406965, 480010, 542620, 576012, 624013, 651144, 720015, 813930, 960020, 1085240, 1152024, 1248026, 1440030, 1627860, 1872039, 1920040, 2496052, 2880060, 3120065, 3255720, 3744078, 4992104, 5760120, 6240130, 7488156, 9360195, 12480260, 14976312, 18720390, 24960520, 37440780, 74881560]

約数ペア:

[(1, 74881560), (2, 37440780), (3, 24960520), (4, 18720390), (5, 14976312), (6, 12480260), (8, 9360195), (10, 7488156), (12, 6240130), (13, 5760120), (15, 4992104), (20, 3744078), (23, 3255720), (24, 3120065), (26, 2880060), (30, 2496052), (39, 1920040), (40, 1872039), (46, 1627860), (52, 1440030), (60, 1248026), (65, 1152024), (69, 1085240), (78, 960020), (92, 813930), (104, 720015), (115, 651144), (120, 624013), (130, 576012), (138, 542620), (156, 480010), (184, 406965), (195, 384008), (230, 325572), (260, 288006), (276, 271310), (299, 250440), (312, 240005), (345, 217048), (390, 192004), (460, 162786), (520, 144003), (552, 135655), (598, 125220), (690, 108524), (780, 96002), (897, 83480), (920, 81393), (1196, 62610), (1380, 54262), (1495, 50088), (1560, 48001), (1794, 41740), (2087, 35880), (2392, 31305), (2760, 27131), (2990, 25044), (3588, 20870), (4174, 17940), (4485, 16696), (5980, 12522), (6261, 11960), (7176, 10435), (8348, 8970)]