72800520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 245548800

約数和(自身を除く): 172748280

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, 2029, 2392, 2760, 2990, 3588, 4058, 4485, 5980, 6087, 7176, 8116, 8970, 10145, 11960, 12174, 16232, 17940, 20290, 24348, 26377, 30435, 35880, 40580, 46667, 48696, 52754, 60870, 79131, 81160, 93334, 105508, 121740, 131885, 140001, 158262, 186668, 211016, 233335, 243480, 263770, 280002, 316524, 373336, 395655, 466670, 527540, 560004, 606671, 633048, 700005, 791310, 933340, 1055080, 1120008, 1213342, 1400010, 1582620, 1820013, 1866680, 2426684, 2800020, 3033355, 3165240, 3640026, 4853368, 5600040, 6066710, 7280052, 9100065, 12133420, 14560104, 18200130, 24266840, 36400260, 72800520]

約数ペア:

[(1, 72800520), (2, 36400260), (3, 24266840), (4, 18200130), (5, 14560104), (6, 12133420), (8, 9100065), (10, 7280052), (12, 6066710), (13, 5600040), (15, 4853368), (20, 3640026), (23, 3165240), (24, 3033355), (26, 2800020), (30, 2426684), (39, 1866680), (40, 1820013), (46, 1582620), (52, 1400010), (60, 1213342), (65, 1120008), (69, 1055080), (78, 933340), (92, 791310), (104, 700005), (115, 633048), (120, 606671), (130, 560004), (138, 527540), (156, 466670), (184, 395655), (195, 373336), (230, 316524), (260, 280002), (276, 263770), (299, 243480), (312, 233335), (345, 211016), (390, 186668), (460, 158262), (520, 140001), (552, 131885), (598, 121740), (690, 105508), (780, 93334), (897, 81160), (920, 79131), (1196, 60870), (1380, 52754), (1495, 48696), (1560, 46667), (1794, 40580), (2029, 35880), (2392, 30435), (2760, 26377), (2990, 24348), (3588, 20290), (4058, 17940), (4485, 16232), (5980, 12174), (6087, 11960), (7176, 10145), (8116, 8970)]