65942240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 195465312

約数和(自身を除く): 129523072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 647, 728, 784, 910, 980, 1040, 1120, 1274, 1294, 1456, 1568, 1820, 1960, 2080, 2548, 2588, 2912, 3185, 3235, 3640, 3920, 4529, 5096, 5176, 6370, 6470, 7280, 7840, 8411, 9058, 10192, 10352, 12740, 12940, 14560, 16822, 18116, 20384, 20704, 22645, 25480, 25880, 31703, 33644, 36232, 42055, 45290, 50960, 51760, 58877, 63406, 67288, 72464, 84110, 90580, 101920, 103520, 117754, 126812, 134576, 144928, 158515, 168220, 181160, 235508, 253624, 269152, 294385, 317030, 336440, 362320, 412139, 471016, 507248, 588770, 634060, 672880, 724640, 824278, 942032, 1014496, 1177540, 1268120, 1345760, 1648556, 1884064, 2060695, 2355080, 2536240, 3297112, 4121390, 4710160, 5072480, 6594224, 8242780, 9420320, 13188448, 16485560, 32971120, 65942240]

約数ペア:

[(1, 65942240), (2, 32971120), (4, 16485560), (5, 13188448), (7, 9420320), (8, 8242780), (10, 6594224), (13, 5072480), (14, 4710160), (16, 4121390), (20, 3297112), (26, 2536240), (28, 2355080), (32, 2060695), (35, 1884064), (40, 1648556), (49, 1345760), (52, 1268120), (56, 1177540), (65, 1014496), (70, 942032), (80, 824278), (91, 724640), (98, 672880), (104, 634060), (112, 588770), (130, 507248), (140, 471016), (160, 412139), (182, 362320), (196, 336440), (208, 317030), (224, 294385), (245, 269152), (260, 253624), (280, 235508), (364, 181160), (392, 168220), (416, 158515), (455, 144928), (490, 134576), (520, 126812), (560, 117754), (637, 103520), (647, 101920), (728, 90580), (784, 84110), (910, 72464), (980, 67288), (1040, 63406), (1120, 58877), (1274, 51760), (1294, 50960), (1456, 45290), (1568, 42055), (1820, 36232), (1960, 33644), (2080, 31703), (2548, 25880), (2588, 25480), (2912, 22645), (3185, 20704), (3235, 20384), (3640, 18116), (3920, 16822), (4529, 14560), (5096, 12940), (5176, 12740), (6370, 10352), (6470, 10192), (7280, 9058), (7840, 8411)]