15771140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 44688000

約数和(自身を除く): 28916860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 121, 133, 140, 154, 190, 196, 209, 220, 242, 245, 266, 308, 343, 380, 385, 418, 484, 490, 532, 539, 605, 665, 686, 770, 836, 847, 931, 980, 1045, 1078, 1210, 1330, 1372, 1463, 1540, 1694, 1715, 1862, 2090, 2156, 2299, 2420, 2660, 2695, 2926, 3388, 3430, 3724, 3773, 4180, 4235, 4598, 4655, 5390, 5852, 5929, 6517, 6860, 7315, 7546, 8470, 9196, 9310, 10241, 10780, 11495, 11858, 13034, 14630, 15092, 16093, 16940, 18620, 18865, 20482, 22990, 23716, 26068, 29260, 29645, 32186, 32585, 37730, 40964, 41503, 45980, 51205, 59290, 64372, 65170, 71687, 75460, 80465, 83006, 102410, 112651, 118580, 130340, 143374, 160930, 166012, 204820, 207515, 225302, 286748, 321860, 358435, 415030, 450604, 563255, 716870, 788557, 830060, 1126510, 1433740, 1577114, 2253020, 3154228, 3942785, 7885570, 15771140]

約数ペア:

[(1, 15771140), (2, 7885570), (4, 3942785), (5, 3154228), (7, 2253020), (10, 1577114), (11, 1433740), (14, 1126510), (19, 830060), (20, 788557), (22, 716870), (28, 563255), (35, 450604), (38, 415030), (44, 358435), (49, 321860), (55, 286748), (70, 225302), (76, 207515), (77, 204820), (95, 166012), (98, 160930), (110, 143374), (121, 130340), (133, 118580), (140, 112651), (154, 102410), (190, 83006), (196, 80465), (209, 75460), (220, 71687), (242, 65170), (245, 64372), (266, 59290), (308, 51205), (343, 45980), (380, 41503), (385, 40964), (418, 37730), (484, 32585), (490, 32186), (532, 29645), (539, 29260), (605, 26068), (665, 23716), (686, 22990), (770, 20482), (836, 18865), (847, 18620), (931, 16940), (980, 16093), (1045, 15092), (1078, 14630), (1210, 13034), (1330, 11858), (1372, 11495), (1463, 10780), (1540, 10241), (1694, 9310), (1715, 9196), (1862, 8470), (2090, 7546), (2156, 7315), (2299, 6860), (2420, 6517), (2660, 5929), (2695, 5852), (2926, 5390), (3388, 4655), (3430, 4598), (3724, 4235), (3773, 4180)]