78648120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 275970240

約数和(自身を除く): 197322120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 71, 72, 85, 90, 102, 120, 136, 142, 153, 170, 180, 181, 204, 213, 255, 284, 306, 340, 355, 360, 362, 408, 426, 510, 543, 568, 612, 639, 680, 710, 724, 765, 852, 905, 1020, 1065, 1086, 1207, 1224, 1278, 1420, 1448, 1530, 1629, 1704, 1810, 2040, 2130, 2172, 2414, 2556, 2715, 2840, 3060, 3077, 3195, 3258, 3620, 3621, 4260, 4344, 4828, 5112, 5430, 6035, 6120, 6154, 6390, 6516, 7240, 7242, 8145, 8520, 9231, 9656, 10860, 10863, 12070, 12308, 12780, 12851, 13032, 14484, 15385, 16290, 18105, 18462, 21720, 21726, 24140, 24616, 25560, 25702, 27693, 28968, 30770, 32580, 36210, 36924, 38553, 43452, 46155, 48280, 51404, 54315, 55386, 61540, 64255, 65160, 72420, 73848, 77106, 86904, 92310, 102808, 108630, 110772, 115659, 123080, 128510, 138465, 144840, 154212, 184620, 192765, 217260, 218467, 221544, 231318, 257020, 276930, 308424, 369240, 385530, 434520, 436934, 462636, 514040, 553860, 578295, 655401, 771060, 873868, 925272, 1092335, 1107720, 1156590, 1310802, 1542120, 1747736, 1966203, 2184670, 2313180, 2621604, 3277005, 3932406, 4369340, 4626360, 5243208, 6554010, 7864812, 8738680, 9831015, 13108020, 15729624, 19662030, 26216040, 39324060, 78648120]

約数ペア:

[(1, 78648120), (2, 39324060), (3, 26216040), (4, 19662030), (5, 15729624), (6, 13108020), (8, 9831015), (9, 8738680), (10, 7864812), (12, 6554010), (15, 5243208), (17, 4626360), (18, 4369340), (20, 3932406), (24, 3277005), (30, 2621604), (34, 2313180), (36, 2184670), (40, 1966203), (45, 1747736), (51, 1542120), (60, 1310802), (68, 1156590), (71, 1107720), (72, 1092335), (85, 925272), (90, 873868), (102, 771060), (120, 655401), (136, 578295), (142, 553860), (153, 514040), (170, 462636), (180, 436934), (181, 434520), (204, 385530), (213, 369240), (255, 308424), (284, 276930), (306, 257020), (340, 231318), (355, 221544), (360, 218467), (362, 217260), (408, 192765), (426, 184620), (510, 154212), (543, 144840), (568, 138465), (612, 128510), (639, 123080), (680, 115659), (710, 110772), (724, 108630), (765, 102808), (852, 92310), (905, 86904), (1020, 77106), (1065, 73848), (1086, 72420), (1207, 65160), (1224, 64255), (1278, 61540), (1420, 55386), (1448, 54315), (1530, 51404), (1629, 48280), (1704, 46155), (1810, 43452), (2040, 38553), (2130, 36924), (2172, 36210), (2414, 32580), (2556, 30770), (2715, 28968), (2840, 27693), (3060, 25702), (3077, 25560), (3195, 24616), (3258, 24140), (3620, 21726), (3621, 21720), (4260, 18462), (4344, 18105), (4828, 16290), (5112, 15385), (5430, 14484), (6035, 13032), (6120, 12851), (6154, 12780), (6390, 12308), (6516, 12070), (7240, 10863), (7242, 10860), (8145, 9656), (8520, 9231)]