1278348240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13217}}^1$

素因数の和:13277

約数の個数: 160

約数和(自身を含む): 4405718016

約数和(自身を除く): 3127369776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 465, 496, 520, 620, 624, 744, 780, 806, 930, 1040, 1209, 1240, 1488, 1560, 1612, 1860, 2015, 2418, 2480, 3120, 3224, 3720, 4030, 4836, 6045, 6448, 7440, 8060, 9672, 12090, 13217, 16120, 19344, 24180, 26434, 32240, 39651, 48360, 52868, 66085, 79302, 96720, 105736, 132170, 158604, 171821, 198255, 211472, 264340, 317208, 343642, 396510, 409727, 515463, 528680, 634416, 687284, 793020, 819454, 859105, 1030926, 1057360, 1229181, 1374568, 1586040, 1638908, 1718210, 2048635, 2061852, 2458362, 2577315, 2749136, 3172080, 3277816, 3436420, 4097270, 4123704, 4916724, 5154630, 5326451, 6145905, 6555632, 6872840, 8194540, 8247408, 9833448, 10309260, 10652902, 12291810, 13745680, 15979353, 16389080, 19666896, 20618520, 21305804, 24583620, 26632255, 31958706, 32778160, 41237040, 42611608, 49167240, 53264510, 63917412, 79896765, 85223216, 98334480, 106529020, 127834824, 159793530, 213058040, 255669648, 319587060, 426116080, 639174120, 1278348240]

約数ペア:

[(1, 1278348240), (2, 639174120), (3, 426116080), (4, 319587060), (5, 255669648), (6, 213058040), (8, 159793530), (10, 127834824), (12, 106529020), (13, 98334480), (15, 85223216), (16, 79896765), (20, 63917412), (24, 53264510), (26, 49167240), (30, 42611608), (31, 41237040), (39, 32778160), (40, 31958706), (48, 26632255), (52, 24583620), (60, 21305804), (62, 20618520), (65, 19666896), (78, 16389080), (80, 15979353), (93, 13745680), (104, 12291810), (120, 10652902), (124, 10309260), (130, 9833448), (155, 8247408), (156, 8194540), (186, 6872840), (195, 6555632), (208, 6145905), (240, 5326451), (248, 5154630), (260, 4916724), (310, 4123704), (312, 4097270), (372, 3436420), (390, 3277816), (403, 3172080), (465, 2749136), (496, 2577315), (520, 2458362), (620, 2061852), (624, 2048635), (744, 1718210), (780, 1638908), (806, 1586040), (930, 1374568), (1040, 1229181), (1209, 1057360), (1240, 1030926), (1488, 859105), (1560, 819454), (1612, 793020), (1860, 687284), (2015, 634416), (2418, 528680), (2480, 515463), (3120, 409727), (3224, 396510), (3720, 343642), (4030, 317208), (4836, 264340), (6045, 211472), (6448, 198255), (7440, 171821), (8060, 158604), (9672, 132170), (12090, 105736), (13217, 96720), (16120, 79302), (19344, 66085), (24180, 52868), (26434, 48360), (32240, 39651)]