71653680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 240

約数和(自身を含む): 287526240

約数和(自身を除く): 215872560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 677, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1354, 1470, 1512, 1680, 1764, 1890, 1960, 2031, 2160, 2205, 2352, 2520, 2646, 2708, 2940, 3024, 3385, 3528, 3780, 3920, 4062, 4410, 4739, 5040, 5292, 5416, 5880, 6093, 6615, 6770, 7056, 7560, 8124, 8820, 9478, 10155, 10584, 10832, 11760, 12186, 13230, 13540, 14217, 15120, 16248, 17640, 18279, 18956, 20310, 21168, 23695, 24372, 26460, 27080, 28434, 30465, 32496, 33173, 35280, 36558, 37912, 40620, 42651, 47390, 48744, 52920, 54160, 56868, 60930, 66346, 71085, 73116, 75824, 81240, 85302, 91395, 94780, 97488, 99519, 105840, 113736, 121860, 127953, 132692, 142170, 146232, 162480, 165865, 170604, 182790, 189560, 199038, 213255, 227472, 243720, 255906, 265384, 284340, 292464, 298557, 331730, 341208, 365580, 379120, 398076, 426510, 487440, 497595, 511812, 530768, 568680, 597114, 639765, 663460, 682416, 731160, 796152, 853020, 895671, 995190, 1023624, 1137360, 1194228, 1279530, 1326920, 1462320, 1492785, 1592304, 1706040, 1791342, 1990380, 2047248, 2388456, 2559060, 2653840, 2985570, 3412080, 3582684, 3980760, 4478355, 4776912, 5118120, 5971140, 7165368, 7961520, 8956710, 10236240, 11942280, 14330736, 17913420, 23884560, 35826840, 71653680]

約数ペア:

[(1, 71653680), (2, 35826840), (3, 23884560), (4, 17913420), (5, 14330736), (6, 11942280), (7, 10236240), (8, 8956710), (9, 7961520), (10, 7165368), (12, 5971140), (14, 5118120), (15, 4776912), (16, 4478355), (18, 3980760), (20, 3582684), (21, 3412080), (24, 2985570), (27, 2653840), (28, 2559060), (30, 2388456), (35, 2047248), (36, 1990380), (40, 1791342), (42, 1706040), (45, 1592304), (48, 1492785), (49, 1462320), (54, 1326920), (56, 1279530), (60, 1194228), (63, 1137360), (70, 1023624), (72, 995190), (80, 895671), (84, 853020), (90, 796152), (98, 731160), (105, 682416), (108, 663460), (112, 639765), (120, 597114), (126, 568680), (135, 530768), (140, 511812), (144, 497595), (147, 487440), (168, 426510), (180, 398076), (189, 379120), (196, 365580), (210, 341208), (216, 331730), (240, 298557), (245, 292464), (252, 284340), (270, 265384), (280, 255906), (294, 243720), (315, 227472), (336, 213255), (360, 199038), (378, 189560), (392, 182790), (420, 170604), (432, 165865), (441, 162480), (490, 146232), (504, 142170), (540, 132692), (560, 127953), (588, 121860), (630, 113736), (677, 105840), (720, 99519), (735, 97488), (756, 94780), (784, 91395), (840, 85302), (882, 81240), (945, 75824), (980, 73116), (1008, 71085), (1080, 66346), (1176, 60930), (1260, 56868), (1323, 54160), (1354, 52920), (1470, 48744), (1512, 47390), (1680, 42651), (1764, 40620), (1890, 37912), (1960, 36558), (2031, 35280), (2160, 33173), (2205, 32496), (2352, 30465), (2520, 28434), (2646, 27080), (2708, 26460), (2940, 24372), (3024, 23695), (3385, 21168), (3528, 20310), (3780, 18956), (3920, 18279), (4062, 17640), (4410, 16248), (4739, 15120), (5040, 14217), (5292, 13540), (5416, 13230), (5880, 12186), (6093, 11760), (6615, 10832), (6770, 10584), (7056, 10155), (7560, 9478), (8124, 8820)]