19930680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:754

約数の個数: 192

約数和(自身を含む): 80870400

約数和(自身を除く): 60939720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 719, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1438, 1540, 1848, 1980, 2157, 2310, 2520, 2772, 2876, 3080, 3465, 3595, 3960, 4314, 4620, 5033, 5544, 5752, 6471, 6930, 7190, 7909, 8628, 9240, 10066, 10785, 12942, 13860, 14380, 15099, 15818, 17256, 20132, 21570, 23727, 25165, 25884, 27720, 28760, 30198, 31636, 32355, 39545, 40264, 43140, 45297, 47454, 50330, 51768, 55363, 60396, 63272, 64710, 71181, 75495, 79090, 86280, 90594, 94908, 100660, 110726, 118635, 120792, 129420, 142362, 150990, 158180, 166089, 181188, 189816, 201320, 221452, 226485, 237270, 258840, 276815, 284724, 301980, 316360, 332178, 355905, 362376, 442904, 452970, 474540, 498267, 553630, 569448, 603960, 664356, 711810, 830445, 905940, 949080, 996534, 1107260, 1328712, 1423620, 1660890, 1811880, 1993068, 2214520, 2491335, 2847240, 3321780, 3986136, 4982670, 6643560, 9965340, 19930680]

約数ペア:

[(1, 19930680), (2, 9965340), (3, 6643560), (4, 4982670), (5, 3986136), (6, 3321780), (7, 2847240), (8, 2491335), (9, 2214520), (10, 1993068), (11, 1811880), (12, 1660890), (14, 1423620), (15, 1328712), (18, 1107260), (20, 996534), (21, 949080), (22, 905940), (24, 830445), (28, 711810), (30, 664356), (33, 603960), (35, 569448), (36, 553630), (40, 498267), (42, 474540), (44, 452970), (45, 442904), (55, 362376), (56, 355905), (60, 332178), (63, 316360), (66, 301980), (70, 284724), (72, 276815), (77, 258840), (84, 237270), (88, 226485), (90, 221452), (99, 201320), (105, 189816), (110, 181188), (120, 166089), (126, 158180), (132, 150990), (140, 142362), (154, 129420), (165, 120792), (168, 118635), (180, 110726), (198, 100660), (210, 94908), (220, 90594), (231, 86280), (252, 79090), (264, 75495), (280, 71181), (308, 64710), (315, 63272), (330, 60396), (360, 55363), (385, 51768), (396, 50330), (420, 47454), (440, 45297), (462, 43140), (495, 40264), (504, 39545), (616, 32355), (630, 31636), (660, 30198), (693, 28760), (719, 27720), (770, 25884), (792, 25165), (840, 23727), (924, 21570), (990, 20132), (1155, 17256), (1260, 15818), (1320, 15099), (1386, 14380), (1438, 13860), (1540, 12942), (1848, 10785), (1980, 10066), (2157, 9240), (2310, 8628), (2520, 7909), (2772, 7190), (2876, 6930), (3080, 6471), (3465, 5752), (3595, 5544), (3960, 5033), (4314, 4620)]