78790240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 121247360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 136, 160, 166, 170, 272, 332, 340, 349, 415, 544, 664, 680, 698, 830, 1328, 1360, 1396, 1411, 1660, 1745, 2656, 2720, 2792, 2822, 3320, 3490, 5584, 5644, 5933, 6640, 6980, 7055, 11168, 11288, 11866, 13280, 13960, 14110, 22576, 23732, 27920, 28220, 28967, 29665, 45152, 47464, 55840, 56440, 57934, 59330, 94928, 112880, 115868, 118660, 144835, 189856, 225760, 231736, 237320, 289670, 463472, 474640, 492439, 579340, 926944, 949280, 984878, 1158680, 1969756, 2317360, 2462195, 3939512, 4634720, 4924390, 7879024, 9848780, 15758048, 19697560, 39395120, 78790240]

約数ペア:

[(1, 78790240), (2, 39395120), (4, 19697560), (5, 15758048), (8, 9848780), (10, 7879024), (16, 4924390), (17, 4634720), (20, 3939512), (32, 2462195), (34, 2317360), (40, 1969756), (68, 1158680), (80, 984878), (83, 949280), (85, 926944), (136, 579340), (160, 492439), (166, 474640), (170, 463472), (272, 289670), (332, 237320), (340, 231736), (349, 225760), (415, 189856), (544, 144835), (664, 118660), (680, 115868), (698, 112880), (830, 94928), (1328, 59330), (1360, 57934), (1396, 56440), (1411, 55840), (1660, 47464), (1745, 45152), (2656, 29665), (2720, 28967), (2792, 28220), (2822, 27920), (3320, 23732), (3490, 22576), (5584, 14110), (5644, 13960), (5933, 13280), (6640, 11866), (6980, 11288), (7055, 11168)]