2181648560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 240

約数和(自身を含む): 6564079872

約数和(自身を除く): 4382431312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 182, 196, 208, 217, 245, 248, 260, 280, 310, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 728, 784, 806, 868, 910, 980, 1040, 1085, 1240, 1274, 1381, 1456, 1519, 1612, 1736, 1820, 1960, 2015, 2170, 2480, 2548, 2762, 2821, 3038, 3185, 3224, 3472, 3640, 3920, 4030, 4340, 5096, 5524, 5642, 6076, 6370, 6448, 6905, 7280, 7595, 8060, 8680, 9667, 10192, 11048, 11284, 12152, 12740, 13810, 14105, 15190, 16120, 17360, 17953, 19334, 19747, 22096, 22568, 24304, 25480, 27620, 28210, 30380, 32240, 35906, 38668, 39494, 42811, 45136, 48335, 50960, 55240, 56420, 60760, 67669, 71812, 77336, 78988, 85622, 89765, 96670, 98735, 110480, 112840, 121520, 125671, 135338, 143624, 154672, 157976, 171244, 179530, 193340, 197470, 214055, 225680, 251342, 270676, 287248, 299677, 315952, 338345, 342488, 359060, 386680, 394940, 428110, 502684, 541352, 556543, 599354, 628355, 676690, 684976, 718120, 773360, 789880, 856220, 879697, 1005368, 1082704, 1113086, 1198708, 1256710, 1353380, 1436240, 1498385, 1579760, 1712440, 1759394, 2010736, 2097739, 2226172, 2397416, 2513420, 2706760, 2782715, 2996770, 3424880, 3518788, 3895801, 4195478, 4398485, 4452344, 4794832, 5026840, 5413520, 5565430, 5993540, 7037576, 7791602, 8390956, 8796970, 8904688, 10053680, 10488695, 11130860, 11987080, 14075152, 15583204, 16781912, 17593940, 19479005, 20977390, 22261720, 23974160, 27270607, 31166408, 33563824, 35187880, 38958010, 41954780, 44523440, 54541214, 62332816, 70375760, 77916020, 83909560, 109082428, 136353035, 155832040, 167819120, 218164856, 272706070, 311664080, 436329712, 545412140, 1090824280, 2181648560]

約数ペア:

[(1, 2181648560), (2, 1090824280), (4, 545412140), (5, 436329712), (7, 311664080), (8, 272706070), (10, 218164856), (13, 167819120), (14, 155832040), (16, 136353035), (20, 109082428), (26, 83909560), (28, 77916020), (31, 70375760), (35, 62332816), (40, 54541214), (49, 44523440), (52, 41954780), (56, 38958010), (62, 35187880), (65, 33563824), (70, 31166408), (80, 27270607), (91, 23974160), (98, 22261720), (104, 20977390), (112, 19479005), (124, 17593940), (130, 16781912), (140, 15583204), (155, 14075152), (182, 11987080), (196, 11130860), (208, 10488695), (217, 10053680), (245, 8904688), (248, 8796970), (260, 8390956), (280, 7791602), (310, 7037576), (364, 5993540), (392, 5565430), (403, 5413520), (434, 5026840), (455, 4794832), (490, 4452344), (496, 4398485), (520, 4195478), (560, 3895801), (620, 3518788), (637, 3424880), (728, 2996770), (784, 2782715), (806, 2706760), (868, 2513420), (910, 2397416), (980, 2226172), (1040, 2097739), (1085, 2010736), (1240, 1759394), (1274, 1712440), (1381, 1579760), (1456, 1498385), (1519, 1436240), (1612, 1353380), (1736, 1256710), (1820, 1198708), (1960, 1113086), (2015, 1082704), (2170, 1005368), (2480, 879697), (2548, 856220), (2762, 789880), (2821, 773360), (3038, 718120), (3185, 684976), (3224, 676690), (3472, 628355), (3640, 599354), (3920, 556543), (4030, 541352), (4340, 502684), (5096, 428110), (5524, 394940), (5642, 386680), (6076, 359060), (6370, 342488), (6448, 338345), (6905, 315952), (7280, 299677), (7595, 287248), (8060, 270676), (8680, 251342), (9667, 225680), (10192, 214055), (11048, 197470), (11284, 193340), (12152, 179530), (12740, 171244), (13810, 157976), (14105, 154672), (15190, 143624), (16120, 135338), (17360, 125671), (17953, 121520), (19334, 112840), (19747, 110480), (22096, 98735), (22568, 96670), (24304, 89765), (25480, 85622), (27620, 78988), (28210, 77336), (30380, 71812), (32240, 67669), (35906, 60760), (38668, 56420), (39494, 55240), (42811, 50960), (45136, 48335)]