81002240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{523}}^1$

素因数の和:566

約数の個数: 108

約数和(自身を含む): 213675672

約数和(自身を除く): 132673432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 523, 605, 640, 704, 880, 968, 1046, 1210, 1280, 1408, 1760, 1936, 2092, 2420, 2615, 2816, 3520, 3872, 4184, 4840, 5230, 5753, 7040, 7744, 8368, 9680, 10460, 11506, 14080, 15488, 16736, 19360, 20920, 23012, 28765, 30976, 33472, 38720, 41840, 46024, 57530, 63283, 66944, 77440, 83680, 92048, 115060, 126566, 133888, 154880, 167360, 184096, 230120, 253132, 316415, 334720, 368192, 460240, 506264, 632830, 669440, 736384, 920480, 1012528, 1265660, 1472768, 1840960, 2025056, 2531320, 3681920, 4050112, 5062640, 7363840, 8100224, 10125280, 16200448, 20250560, 40501120, 81002240]

約数ペア:

[(1, 81002240), (2, 40501120), (4, 20250560), (5, 16200448), (8, 10125280), (10, 8100224), (11, 7363840), (16, 5062640), (20, 4050112), (22, 3681920), (32, 2531320), (40, 2025056), (44, 1840960), (55, 1472768), (64, 1265660), (80, 1012528), (88, 920480), (110, 736384), (121, 669440), (128, 632830), (160, 506264), (176, 460240), (220, 368192), (242, 334720), (256, 316415), (320, 253132), (352, 230120), (440, 184096), (484, 167360), (523, 154880), (605, 133888), (640, 126566), (704, 115060), (880, 92048), (968, 83680), (1046, 77440), (1210, 66944), (1280, 63283), (1408, 57530), (1760, 46024), (1936, 41840), (2092, 38720), (2420, 33472), (2615, 30976), (2816, 28765), (3520, 23012), (3872, 20920), (4184, 19360), (4840, 16736), (5230, 15488), (5753, 14080), (7040, 11506), (7744, 10460), (8368, 9680)]