640571616

素因数分解:

$2^5\times 3^2\times {\mathrm{829}}^1\times {\mathrm{2683}}^1$

素因数の和:3528

約数の個数: 72

約数和(自身を含む): 1824502680

約数和(自身を除く): 1183931064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 829, 1658, 2487, 2683, 3316, 4974, 5366, 6632, 7461, 8049, 9948, 10732, 13264, 14922, 16098, 19896, 21464, 24147, 26528, 29844, 32196, 39792, 42928, 48294, 59688, 64392, 79584, 85856, 96588, 119376, 128784, 193176, 238752, 257568, 386352, 772704, 2224207, 4448414, 6672621, 8896828, 13345242, 17793656, 20017863, 26690484, 35587312, 40035726, 53380968, 71174624, 80071452, 106761936, 160142904, 213523872, 320285808, 640571616]

約数ペア:

[(1, 640571616), (2, 320285808), (3, 213523872), (4, 160142904), (6, 106761936), (8, 80071452), (9, 71174624), (12, 53380968), (16, 40035726), (18, 35587312), (24, 26690484), (32, 20017863), (36, 17793656), (48, 13345242), (72, 8896828), (96, 6672621), (144, 4448414), (288, 2224207), (829, 772704), (1658, 386352), (2487, 257568), (2683, 238752), (3316, 193176), (4974, 128784), (5366, 119376), (6632, 96588), (7461, 85856), (8049, 79584), (9948, 64392), (10732, 59688), (13264, 48294), (14922, 42928), (16098, 39792), (19896, 32196), (21464, 29844), (24147, 26528)]