65386880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 174787200

約数和(自身を除く): 109400320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 260, 271, 290, 320, 377, 416, 464, 520, 542, 580, 640, 754, 832, 928, 1040, 1084, 1160, 1355, 1508, 1664, 1856, 1885, 2080, 2168, 2320, 2710, 3016, 3523, 3712, 3770, 4160, 4336, 4640, 5420, 6032, 7046, 7540, 7859, 8320, 8672, 9280, 10840, 12064, 14092, 15080, 15718, 17344, 17615, 18560, 21680, 24128, 28184, 30160, 31436, 34688, 35230, 39295, 43360, 48256, 56368, 60320, 62872, 70460, 78590, 86720, 102167, 112736, 120640, 125744, 140920, 157180, 173440, 204334, 225472, 241280, 251488, 281840, 314360, 408668, 450944, 502976, 510835, 563680, 628720, 817336, 1005952, 1021670, 1127360, 1257440, 1634672, 2043340, 2254720, 2514880, 3269344, 4086680, 5029760, 6538688, 8173360, 13077376, 16346720, 32693440, 65386880]

約数ペア:

[(1, 65386880), (2, 32693440), (4, 16346720), (5, 13077376), (8, 8173360), (10, 6538688), (13, 5029760), (16, 4086680), (20, 3269344), (26, 2514880), (29, 2254720), (32, 2043340), (40, 1634672), (52, 1257440), (58, 1127360), (64, 1021670), (65, 1005952), (80, 817336), (104, 628720), (116, 563680), (128, 510835), (130, 502976), (145, 450944), (160, 408668), (208, 314360), (232, 281840), (260, 251488), (271, 241280), (290, 225472), (320, 204334), (377, 173440), (416, 157180), (464, 140920), (520, 125744), (542, 120640), (580, 112736), (640, 102167), (754, 86720), (832, 78590), (928, 70460), (1040, 62872), (1084, 60320), (1160, 56368), (1355, 48256), (1508, 43360), (1664, 39295), (1856, 35230), (1885, 34688), (2080, 31436), (2168, 30160), (2320, 28184), (2710, 24128), (3016, 21680), (3523, 18560), (3712, 17615), (3770, 17344), (4160, 15718), (4336, 15080), (4640, 14092), (5420, 12064), (6032, 10840), (7046, 9280), (7540, 8672), (7859, 8320)]