1681311520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11287}}^1$

素因数の和:11335

約数の個数: 144

約数和(自身を含む): 4864224960

約数和(自身を除く): 3182913440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 2128, 2660, 3040, 3724, 3920, 4256, 4655, 5320, 7448, 7840, 9310, 10640, 11287, 14896, 18620, 21280, 22574, 29792, 37240, 45148, 56435, 74480, 79009, 90296, 112870, 148960, 158018, 180592, 214453, 225740, 316036, 361184, 395045, 428906, 451480, 553063, 632072, 790090, 857812, 902960, 1072265, 1106126, 1264144, 1501171, 1580180, 1715624, 1805920, 2144530, 2212252, 2528288, 2765315, 3002342, 3160360, 3431248, 4289060, 4424504, 5530630, 6004684, 6320720, 6862496, 7505855, 8578120, 8849008, 10508197, 11061260, 12009368, 12641440, 15011710, 17156240, 17698016, 21016394, 22122520, 24018736, 30023420, 34312480, 42032788, 44245040, 48037472, 52540985, 60046840, 84065576, 88490080, 105081970, 120093680, 168131152, 210163940, 240187360, 336262304, 420327880, 840655760, 1681311520]

約数ペア:

[(1, 1681311520), (2, 840655760), (4, 420327880), (5, 336262304), (7, 240187360), (8, 210163940), (10, 168131152), (14, 120093680), (16, 105081970), (19, 88490080), (20, 84065576), (28, 60046840), (32, 52540985), (35, 48037472), (38, 44245040), (40, 42032788), (49, 34312480), (56, 30023420), (70, 24018736), (76, 22122520), (80, 21016394), (95, 17698016), (98, 17156240), (112, 15011710), (133, 12641440), (140, 12009368), (152, 11061260), (160, 10508197), (190, 8849008), (196, 8578120), (224, 7505855), (245, 6862496), (266, 6320720), (280, 6004684), (304, 5530630), (380, 4424504), (392, 4289060), (490, 3431248), (532, 3160360), (560, 3002342), (608, 2765315), (665, 2528288), (760, 2212252), (784, 2144530), (931, 1805920), (980, 1715624), (1064, 1580180), (1120, 1501171), (1330, 1264144), (1520, 1106126), (1568, 1072265), (1862, 902960), (1960, 857812), (2128, 790090), (2660, 632072), (3040, 553063), (3724, 451480), (3920, 428906), (4256, 395045), (4655, 361184), (5320, 316036), (7448, 225740), (7840, 214453), (9310, 180592), (10640, 158018), (11287, 148960), (14896, 112870), (18620, 90296), (21280, 79009), (22574, 74480), (29792, 56435), (37240, 45148)]