8139240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 96

約数和(自身を含む): 27630720

約数和(自身を除く): 19491480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 983, 1035, 1380, 1656, 1966, 2070, 2760, 2949, 3932, 4140, 4915, 5898, 7864, 8280, 8847, 9830, 11796, 14745, 17694, 19660, 22609, 23592, 29490, 35388, 39320, 44235, 45218, 58980, 67827, 70776, 88470, 90436, 113045, 117960, 135654, 176940, 180872, 203481, 226090, 271308, 339135, 353880, 406962, 452180, 542616, 678270, 813924, 904360, 1017405, 1356540, 1627848, 2034810, 2713080, 4069620, 8139240]

約数ペア:

[(1, 8139240), (2, 4069620), (3, 2713080), (4, 2034810), (5, 1627848), (6, 1356540), (8, 1017405), (9, 904360), (10, 813924), (12, 678270), (15, 542616), (18, 452180), (20, 406962), (23, 353880), (24, 339135), (30, 271308), (36, 226090), (40, 203481), (45, 180872), (46, 176940), (60, 135654), (69, 117960), (72, 113045), (90, 90436), (92, 88470), (115, 70776), (120, 67827), (138, 58980), (180, 45218), (184, 44235), (207, 39320), (230, 35388), (276, 29490), (345, 23592), (360, 22609), (414, 19660), (460, 17694), (552, 14745), (690, 11796), (828, 9830), (920, 8847), (983, 8280), (1035, 7864), (1380, 5898), (1656, 4915), (1966, 4140), (2070, 3932), (2760, 2949)]