64940960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2566

約数の個数: 96

約数和(自身を含む): 183036672

約数和(自身を除く): 118095712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2521, 2576, 3220, 3680, 5042, 5152, 6440, 10084, 12605, 12880, 17647, 20168, 25210, 25760, 35294, 40336, 50420, 57983, 70588, 80672, 88235, 100840, 115966, 141176, 176470, 201680, 231932, 282352, 289915, 352940, 403360, 405881, 463864, 564704, 579830, 705880, 811762, 927728, 1159660, 1411760, 1623524, 1855456, 2029405, 2319320, 2823520, 3247048, 4058810, 4638640, 6494096, 8117620, 9277280, 12988192, 16235240, 32470480, 64940960]

約数ペア:

[(1, 64940960), (2, 32470480), (4, 16235240), (5, 12988192), (7, 9277280), (8, 8117620), (10, 6494096), (14, 4638640), (16, 4058810), (20, 3247048), (23, 2823520), (28, 2319320), (32, 2029405), (35, 1855456), (40, 1623524), (46, 1411760), (56, 1159660), (70, 927728), (80, 811762), (92, 705880), (112, 579830), (115, 564704), (140, 463864), (160, 405881), (161, 403360), (184, 352940), (224, 289915), (230, 282352), (280, 231932), (322, 201680), (368, 176470), (460, 141176), (560, 115966), (644, 100840), (736, 88235), (805, 80672), (920, 70588), (1120, 57983), (1288, 50420), (1610, 40336), (1840, 35294), (2521, 25760), (2576, 25210), (3220, 20168), (3680, 17647), (5042, 12880), (5152, 12605), (6440, 10084)]