78401040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 254555136

約数和(自身を除く): 176154096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 71, 80, 86, 107, 120, 129, 142, 172, 213, 214, 215, 240, 258, 284, 321, 344, 355, 426, 428, 430, 516, 535, 568, 642, 645, 688, 710, 852, 856, 860, 1032, 1065, 1070, 1136, 1284, 1290, 1420, 1605, 1704, 1712, 1720, 2064, 2130, 2140, 2568, 2580, 2840, 3053, 3210, 3408, 3440, 4260, 4280, 4601, 5136, 5160, 5680, 6106, 6420, 7597, 8520, 8560, 9159, 9202, 10320, 12212, 12840, 13803, 15194, 15265, 17040, 18318, 18404, 22791, 23005, 24424, 25680, 27606, 30388, 30530, 36636, 36808, 37985, 45582, 45795, 46010, 48848, 55212, 60776, 61060, 69015, 73272, 73616, 75970, 91164, 91590, 92020, 110424, 113955, 121552, 122120, 138030, 146544, 151940, 182328, 183180, 184040, 220848, 227910, 244240, 276060, 303880, 326671, 364656, 366360, 368080, 455820, 552120, 607760, 653342, 732720, 911640, 980013, 1104240, 1306684, 1633355, 1823280, 1960026, 2613368, 3266710, 3920052, 4900065, 5226736, 6533420, 7840104, 9800130, 13066840, 15680208, 19600260, 26133680, 39200520, 78401040]

約数ペア:

[(1, 78401040), (2, 39200520), (3, 26133680), (4, 19600260), (5, 15680208), (6, 13066840), (8, 9800130), (10, 7840104), (12, 6533420), (15, 5226736), (16, 4900065), (20, 3920052), (24, 3266710), (30, 2613368), (40, 1960026), (43, 1823280), (48, 1633355), (60, 1306684), (71, 1104240), (80, 980013), (86, 911640), (107, 732720), (120, 653342), (129, 607760), (142, 552120), (172, 455820), (213, 368080), (214, 366360), (215, 364656), (240, 326671), (258, 303880), (284, 276060), (321, 244240), (344, 227910), (355, 220848), (426, 184040), (428, 183180), (430, 182328), (516, 151940), (535, 146544), (568, 138030), (642, 122120), (645, 121552), (688, 113955), (710, 110424), (852, 92020), (856, 91590), (860, 91164), (1032, 75970), (1065, 73616), (1070, 73272), (1136, 69015), (1284, 61060), (1290, 60776), (1420, 55212), (1605, 48848), (1704, 46010), (1712, 45795), (1720, 45582), (2064, 37985), (2130, 36808), (2140, 36636), (2568, 30530), (2580, 30388), (2840, 27606), (3053, 25680), (3210, 24424), (3408, 23005), (3440, 22791), (4260, 18404), (4280, 18318), (4601, 17040), (5136, 15265), (5160, 15194), (5680, 13803), (6106, 12840), (6420, 12212), (7597, 10320), (8520, 9202), (8560, 9159)]