1681504560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1356

約数の個数: 240

約数和(自身を含む): 6008052960

約数和(自身を除く): 4326548400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 101, 114, 120, 144, 152, 171, 180, 190, 202, 228, 240, 285, 303, 304, 342, 360, 380, 404, 456, 505, 570, 606, 684, 720, 760, 808, 855, 909, 912, 1010, 1140, 1212, 1217, 1368, 1515, 1520, 1616, 1710, 1818, 1919, 2020, 2280, 2424, 2434, 2736, 3030, 3420, 3636, 3651, 3838, 4040, 4545, 4560, 4848, 4868, 5757, 6060, 6085, 6840, 7272, 7302, 7676, 8080, 9090, 9595, 9736, 10953, 11514, 12120, 12170, 13680, 14544, 14604, 15352, 17271, 18180, 18255, 19190, 19472, 21906, 23028, 23123, 24240, 24340, 28785, 29208, 30704, 34542, 36360, 36510, 38380, 43812, 46056, 46246, 48680, 54765, 57570, 58416, 69084, 69369, 72720, 73020, 76760, 86355, 87624, 92112, 92492, 97360, 109530, 115140, 115615, 122917, 138168, 138738, 146040, 153520, 172710, 175248, 184984, 208107, 219060, 230280, 231230, 245834, 276336, 277476, 292080, 345420, 346845, 368751, 369968, 416214, 438120, 460560, 462460, 491668, 554952, 614585, 690840, 693690, 737502, 832428, 876240, 924920, 983336, 1040535, 1106253, 1109904, 1229170, 1381680, 1387380, 1475004, 1664856, 1843755, 1849840, 1966672, 2081070, 2212506, 2335423, 2458340, 2774760, 2950008, 3329712, 3687510, 4162140, 4425012, 4670846, 4916680, 5531265, 5549520, 5900016, 7006269, 7375020, 8324280, 8850024, 9341692, 9833360, 11062530, 11677115, 14012538, 14750040, 16648560, 17700048, 18683384, 21018807, 22125060, 23354230, 28025076, 29500080, 35031345, 37366768, 42037614, 44250120, 46708460, 56050152, 70062690, 84075228, 88500240, 93416920, 105094035, 112100304, 140125380, 168150456, 186833840, 210188070, 280250760, 336300912, 420376140, 560501520, 840752280, 1681504560]

約数ペア:

[(1, 1681504560), (2, 840752280), (3, 560501520), (4, 420376140), (5, 336300912), (6, 280250760), (8, 210188070), (9, 186833840), (10, 168150456), (12, 140125380), (15, 112100304), (16, 105094035), (18, 93416920), (19, 88500240), (20, 84075228), (24, 70062690), (30, 56050152), (36, 46708460), (38, 44250120), (40, 42037614), (45, 37366768), (48, 35031345), (57, 29500080), (60, 28025076), (72, 23354230), (76, 22125060), (80, 21018807), (90, 18683384), (95, 17700048), (101, 16648560), (114, 14750040), (120, 14012538), (144, 11677115), (152, 11062530), (171, 9833360), (180, 9341692), (190, 8850024), (202, 8324280), (228, 7375020), (240, 7006269), (285, 5900016), (303, 5549520), (304, 5531265), (342, 4916680), (360, 4670846), (380, 4425012), (404, 4162140), (456, 3687510), (505, 3329712), (570, 2950008), (606, 2774760), (684, 2458340), (720, 2335423), (760, 2212506), (808, 2081070), (855, 1966672), (909, 1849840), (912, 1843755), (1010, 1664856), (1140, 1475004), (1212, 1387380), (1217, 1381680), (1368, 1229170), (1515, 1109904), (1520, 1106253), (1616, 1040535), (1710, 983336), (1818, 924920), (1919, 876240), (2020, 832428), (2280, 737502), (2424, 693690), (2434, 690840), (2736, 614585), (3030, 554952), (3420, 491668), (3636, 462460), (3651, 460560), (3838, 438120), (4040, 416214), (4545, 369968), (4560, 368751), (4848, 346845), (4868, 345420), (5757, 292080), (6060, 277476), (6085, 276336), (6840, 245834), (7272, 231230), (7302, 230280), (7676, 219060), (8080, 208107), (9090, 184984), (9595, 175248), (9736, 172710), (10953, 153520), (11514, 146040), (12120, 138738), (12170, 138168), (13680, 122917), (14544, 115615), (14604, 115140), (15352, 109530), (17271, 97360), (18180, 92492), (18255, 92112), (19190, 87624), (19472, 86355), (21906, 76760), (23028, 73020), (23123, 72720), (24240, 69369), (24340, 69084), (28785, 58416), (29208, 57570), (30704, 54765), (34542, 48680), (36360, 46246), (36510, 46056), (38380, 43812)]