64546040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 169344000

約数和(自身を除く): 104797960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 47, 52, 65, 76, 94, 95, 104, 130, 139, 152, 188, 190, 235, 247, 260, 278, 376, 380, 470, 494, 520, 556, 611, 695, 760, 893, 940, 988, 1112, 1222, 1235, 1390, 1786, 1807, 1880, 1976, 2444, 2470, 2641, 2780, 3055, 3572, 3614, 4465, 4888, 4940, 5282, 5560, 6110, 6533, 7144, 7228, 8930, 9035, 9880, 10564, 11609, 12220, 13066, 13205, 14456, 17860, 18070, 21128, 23218, 24440, 26132, 26410, 32665, 34333, 35720, 36140, 46436, 52264, 52820, 58045, 65330, 68666, 72280, 84929, 92872, 105640, 116090, 124127, 130660, 137332, 169858, 171665, 232180, 248254, 261320, 274664, 339716, 343330, 424645, 464360, 496508, 620635, 679432, 686660, 849290, 993016, 1241270, 1373320, 1613651, 1698580, 2482540, 3227302, 3397160, 4965080, 6454604, 8068255, 12909208, 16136510, 32273020, 64546040]

約数ペア:

[(1, 64546040), (2, 32273020), (4, 16136510), (5, 12909208), (8, 8068255), (10, 6454604), (13, 4965080), (19, 3397160), (20, 3227302), (26, 2482540), (38, 1698580), (40, 1613651), (47, 1373320), (52, 1241270), (65, 993016), (76, 849290), (94, 686660), (95, 679432), (104, 620635), (130, 496508), (139, 464360), (152, 424645), (188, 343330), (190, 339716), (235, 274664), (247, 261320), (260, 248254), (278, 232180), (376, 171665), (380, 169858), (470, 137332), (494, 130660), (520, 124127), (556, 116090), (611, 105640), (695, 92872), (760, 84929), (893, 72280), (940, 68666), (988, 65330), (1112, 58045), (1222, 52820), (1235, 52264), (1390, 46436), (1786, 36140), (1807, 35720), (1880, 34333), (1976, 32665), (2444, 26410), (2470, 26132), (2641, 24440), (2780, 23218), (3055, 21128), (3572, 18070), (3614, 17860), (4465, 14456), (4888, 13205), (4940, 13066), (5282, 12220), (5560, 11609), (6110, 10564), (6533, 9880), (7144, 9035), (7228, 8930)]