660721848

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 1786060800

約数和(自身を除く): 1125338952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 31, 58, 62, 87, 93, 113, 116, 124, 174, 186, 226, 232, 248, 271, 339, 348, 372, 452, 542, 678, 696, 744, 813, 899, 904, 1084, 1356, 1626, 1798, 2168, 2697, 2712, 3252, 3277, 3503, 3596, 5394, 6504, 6554, 7006, 7192, 7859, 8401, 9831, 10509, 10788, 13108, 14012, 15718, 16802, 19662, 21018, 21576, 23577, 25203, 26216, 28024, 30623, 31436, 33604, 39324, 42036, 47154, 50406, 61246, 62872, 67208, 78648, 84072, 91869, 94308, 100812, 101587, 122492, 183738, 188616, 201624, 203174, 243629, 244984, 304761, 367476, 406348, 487258, 609522, 730887, 734952, 812696, 888067, 949313, 974516, 1219044, 1461774, 1776134, 1898626, 1949032, 2438088, 2664201, 2847939, 2923548, 3552268, 3797252, 5328402, 5695878, 5847096, 7104536, 7594504, 10656804, 11391756, 21313608, 22783512, 27530077, 55060154, 82590231, 110120308, 165180462, 220240616, 330360924, 660721848]

約数ペア:

[(1, 660721848), (2, 330360924), (3, 220240616), (4, 165180462), (6, 110120308), (8, 82590231), (12, 55060154), (24, 27530077), (29, 22783512), (31, 21313608), (58, 11391756), (62, 10656804), (87, 7594504), (93, 7104536), (113, 5847096), (116, 5695878), (124, 5328402), (174, 3797252), (186, 3552268), (226, 2923548), (232, 2847939), (248, 2664201), (271, 2438088), (339, 1949032), (348, 1898626), (372, 1776134), (452, 1461774), (542, 1219044), (678, 974516), (696, 949313), (744, 888067), (813, 812696), (899, 734952), (904, 730887), (1084, 609522), (1356, 487258), (1626, 406348), (1798, 367476), (2168, 304761), (2697, 244984), (2712, 243629), (3252, 203174), (3277, 201624), (3503, 188616), (3596, 183738), (5394, 122492), (6504, 101587), (6554, 100812), (7006, 94308), (7192, 91869), (7859, 84072), (8401, 78648), (9831, 67208), (10509, 62872), (10788, 61246), (13108, 50406), (14012, 47154), (15718, 42036), (16802, 39324), (19662, 33604), (21018, 31436), (21576, 30623), (23577, 28024), (25203, 26216)]