64345820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 176504832

約数和(自身を除く): 112159012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 49, 55, 70, 77, 94, 98, 110, 127, 140, 154, 188, 196, 220, 235, 245, 254, 308, 329, 385, 470, 490, 508, 517, 539, 635, 658, 770, 889, 940, 980, 1034, 1078, 1270, 1316, 1397, 1540, 1645, 1778, 2068, 2156, 2303, 2540, 2585, 2695, 2794, 3290, 3556, 3619, 4445, 4606, 5170, 5390, 5588, 5969, 6223, 6580, 6985, 7238, 8890, 9212, 9779, 10340, 10780, 11515, 11938, 12446, 13970, 14476, 17780, 18095, 19558, 23030, 23876, 24892, 25333, 27940, 29845, 31115, 36190, 39116, 41783, 46060, 48895, 50666, 59690, 62230, 65659, 68453, 72380, 83566, 97790, 101332, 119380, 124460, 126665, 131318, 136906, 167132, 195580, 208915, 253330, 262636, 273812, 292481, 328295, 342265, 417830, 459613, 506660, 584962, 656590, 684530, 835660, 919226, 1169924, 1313180, 1369060, 1462405, 1838452, 2298065, 2924810, 3217291, 4596130, 5849620, 6434582, 9192260, 12869164, 16086455, 32172910, 64345820]

約数ペア:

[(1, 64345820), (2, 32172910), (4, 16086455), (5, 12869164), (7, 9192260), (10, 6434582), (11, 5849620), (14, 4596130), (20, 3217291), (22, 2924810), (28, 2298065), (35, 1838452), (44, 1462405), (47, 1369060), (49, 1313180), (55, 1169924), (70, 919226), (77, 835660), (94, 684530), (98, 656590), (110, 584962), (127, 506660), (140, 459613), (154, 417830), (188, 342265), (196, 328295), (220, 292481), (235, 273812), (245, 262636), (254, 253330), (308, 208915), (329, 195580), (385, 167132), (470, 136906), (490, 131318), (508, 126665), (517, 124460), (539, 119380), (635, 101332), (658, 97790), (770, 83566), (889, 72380), (940, 68453), (980, 65659), (1034, 62230), (1078, 59690), (1270, 50666), (1316, 48895), (1397, 46060), (1540, 41783), (1645, 39116), (1778, 36190), (2068, 31115), (2156, 29845), (2303, 27940), (2540, 25333), (2585, 24892), (2695, 23876), (2794, 23030), (3290, 19558), (3556, 18095), (3619, 17780), (4445, 14476), (4606, 13970), (5170, 12446), (5390, 11938), (5588, 11515), (5969, 10780), (6223, 10340), (6580, 9779), (6985, 9212), (7238, 8890)]