17807940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 40897980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 127, 164, 171, 180, 190, 205, 228, 246, 254, 285, 342, 369, 380, 381, 410, 492, 508, 570, 615, 635, 684, 738, 762, 779, 820, 855, 1140, 1143, 1230, 1270, 1476, 1524, 1558, 1710, 1845, 1905, 2286, 2337, 2413, 2460, 2540, 3116, 3420, 3690, 3810, 3895, 4572, 4674, 4826, 5207, 5715, 7011, 7239, 7380, 7620, 7790, 9348, 9652, 10414, 11430, 11685, 12065, 14022, 14478, 15580, 15621, 20828, 21717, 22860, 23370, 24130, 26035, 28044, 28956, 31242, 35055, 36195, 43434, 46740, 46863, 48260, 52070, 62484, 70110, 72390, 78105, 86868, 93726, 98933, 104140, 108585, 140220, 144780, 156210, 187452, 197866, 217170, 234315, 296799, 312420, 395732, 434340, 468630, 494665, 593598, 890397, 937260, 989330, 1187196, 1483995, 1780794, 1978660, 2967990, 3561588, 4451985, 5935980, 8903970, 17807940]

約数ペア:

[(1, 17807940), (2, 8903970), (3, 5935980), (4, 4451985), (5, 3561588), (6, 2967990), (9, 1978660), (10, 1780794), (12, 1483995), (15, 1187196), (18, 989330), (19, 937260), (20, 890397), (30, 593598), (36, 494665), (38, 468630), (41, 434340), (45, 395732), (57, 312420), (60, 296799), (76, 234315), (82, 217170), (90, 197866), (95, 187452), (114, 156210), (123, 144780), (127, 140220), (164, 108585), (171, 104140), (180, 98933), (190, 93726), (205, 86868), (228, 78105), (246, 72390), (254, 70110), (285, 62484), (342, 52070), (369, 48260), (380, 46863), (381, 46740), (410, 43434), (492, 36195), (508, 35055), (570, 31242), (615, 28956), (635, 28044), (684, 26035), (738, 24130), (762, 23370), (779, 22860), (820, 21717), (855, 20828), (1140, 15621), (1143, 15580), (1230, 14478), (1270, 14022), (1476, 12065), (1524, 11685), (1558, 11430), (1710, 10414), (1845, 9652), (1905, 9348), (2286, 7790), (2337, 7620), (2413, 7380), (2460, 7239), (2540, 7011), (3116, 5715), (3420, 5207), (3690, 4826), (3810, 4674), (3895, 4572)]