64985984

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 159364800

約数和(自身を除く): 94378816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 41, 56, 58, 61, 64, 82, 112, 116, 122, 128, 164, 203, 224, 232, 244, 287, 328, 406, 427, 448, 464, 488, 574, 656, 812, 854, 896, 928, 976, 1148, 1189, 1312, 1624, 1708, 1769, 1856, 1952, 2296, 2378, 2501, 2624, 3248, 3416, 3538, 3712, 3904, 4592, 4756, 5002, 5248, 6496, 6832, 7076, 7808, 8323, 9184, 9512, 10004, 12383, 12992, 13664, 14152, 16646, 17507, 18368, 19024, 20008, 24766, 25984, 27328, 28304, 33292, 35014, 36736, 38048, 40016, 49532, 54656, 56608, 66584, 70028, 72529, 76096, 80032, 99064, 113216, 133168, 140056, 145058, 152192, 160064, 198128, 226432, 266336, 280112, 290116, 320128, 396256, 507703, 532672, 560224, 580232, 792512, 1015406, 1065344, 1120448, 1160464, 1585024, 2030812, 2240896, 2320928, 4061624, 4641856, 8123248, 9283712, 16246496, 32492992, 64985984]

約数ペア:

[(1, 64985984), (2, 32492992), (4, 16246496), (7, 9283712), (8, 8123248), (14, 4641856), (16, 4061624), (28, 2320928), (29, 2240896), (32, 2030812), (41, 1585024), (56, 1160464), (58, 1120448), (61, 1065344), (64, 1015406), (82, 792512), (112, 580232), (116, 560224), (122, 532672), (128, 507703), (164, 396256), (203, 320128), (224, 290116), (232, 280112), (244, 266336), (287, 226432), (328, 198128), (406, 160064), (427, 152192), (448, 145058), (464, 140056), (488, 133168), (574, 113216), (656, 99064), (812, 80032), (854, 76096), (896, 72529), (928, 70028), (976, 66584), (1148, 56608), (1189, 54656), (1312, 49532), (1624, 40016), (1708, 38048), (1769, 36736), (1856, 35014), (1952, 33292), (2296, 28304), (2378, 27328), (2501, 25984), (2624, 24766), (3248, 20008), (3416, 19024), (3538, 18368), (3712, 17507), (3904, 16646), (4592, 14152), (4756, 13664), (5002, 12992), (5248, 12383), (6496, 10004), (6832, 9512), (7076, 9184), (7808, 8323)]