78781560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4629

約数の個数: 128

約数和(自身を含む): 277724160

約数和(自身を除く): 198942600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 4591, 5720, 8580, 9182, 13773, 17160, 18364, 22955, 27546, 36728, 45910, 50501, 55092, 59683, 68865, 91820, 101002, 110184, 119366, 137730, 151503, 179049, 183640, 202004, 238732, 252505, 275460, 298415, 303006, 358098, 404008, 477464, 505010, 550920, 596830, 606012, 656513, 716196, 757515, 895245, 1010020, 1193660, 1212024, 1313026, 1432392, 1515030, 1790490, 1969539, 2020040, 2387320, 2626052, 3030060, 3282565, 3580980, 3939078, 5252104, 6060120, 6565130, 7161960, 7878156, 9847695, 13130260, 15756312, 19695390, 26260520, 39390780, 78781560]

約数ペア:

[(1, 78781560), (2, 39390780), (3, 26260520), (4, 19695390), (5, 15756312), (6, 13130260), (8, 9847695), (10, 7878156), (11, 7161960), (12, 6565130), (13, 6060120), (15, 5252104), (20, 3939078), (22, 3580980), (24, 3282565), (26, 3030060), (30, 2626052), (33, 2387320), (39, 2020040), (40, 1969539), (44, 1790490), (52, 1515030), (55, 1432392), (60, 1313026), (65, 1212024), (66, 1193660), (78, 1010020), (88, 895245), (104, 757515), (110, 716196), (120, 656513), (130, 606012), (132, 596830), (143, 550920), (156, 505010), (165, 477464), (195, 404008), (220, 358098), (260, 303006), (264, 298415), (286, 275460), (312, 252505), (330, 238732), (390, 202004), (429, 183640), (440, 179049), (520, 151503), (572, 137730), (660, 119366), (715, 110184), (780, 101002), (858, 91820), (1144, 68865), (1320, 59683), (1430, 55092), (1560, 50501), (1716, 45910), (2145, 36728), (2860, 27546), (3432, 22955), (4290, 18364), (4591, 17160), (5720, 13773), (8580, 9182)]