51311260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 146397888

約数和(自身を除く): 95086628

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 182, 220, 233, 242, 260, 286, 308, 364, 385, 455, 466, 484, 572, 605, 715, 770, 847, 910, 932, 1001, 1165, 1210, 1430, 1540, 1573, 1631, 1694, 1820, 2002, 2330, 2420, 2563, 2860, 3029, 3146, 3262, 3388, 4004, 4235, 4660, 5005, 5126, 6058, 6292, 6524, 7865, 8155, 8470, 10010, 10252, 11011, 12116, 12815, 15145, 15730, 16310, 16940, 17941, 20020, 21203, 22022, 25630, 28193, 30290, 31460, 32620, 33319, 35882, 42406, 44044, 51260, 55055, 56386, 60580, 66638, 71764, 84812, 89705, 106015, 110110, 112772, 133276, 140965, 166595, 179410, 197351, 212030, 220220, 233233, 281930, 333190, 358820, 366509, 394702, 424060, 466466, 563860, 666380, 733018, 789404, 932932, 986755, 1166165, 1466036, 1832545, 1973510, 2332330, 2565563, 3665090, 3947020, 4664660, 5131126, 7330180, 10262252, 12827815, 25655630, 51311260]

約数ペア:

[(1, 51311260), (2, 25655630), (4, 12827815), (5, 10262252), (7, 7330180), (10, 5131126), (11, 4664660), (13, 3947020), (14, 3665090), (20, 2565563), (22, 2332330), (26, 1973510), (28, 1832545), (35, 1466036), (44, 1166165), (52, 986755), (55, 932932), (65, 789404), (70, 733018), (77, 666380), (91, 563860), (110, 466466), (121, 424060), (130, 394702), (140, 366509), (143, 358820), (154, 333190), (182, 281930), (220, 233233), (233, 220220), (242, 212030), (260, 197351), (286, 179410), (308, 166595), (364, 140965), (385, 133276), (455, 112772), (466, 110110), (484, 106015), (572, 89705), (605, 84812), (715, 71764), (770, 66638), (847, 60580), (910, 56386), (932, 55055), (1001, 51260), (1165, 44044), (1210, 42406), (1430, 35882), (1540, 33319), (1573, 32620), (1631, 31460), (1694, 30290), (1820, 28193), (2002, 25630), (2330, 22022), (2420, 21203), (2563, 20020), (2860, 17941), (3029, 16940), (3146, 16310), (3262, 15730), (3388, 15145), (4004, 12815), (4235, 12116), (4660, 11011), (5005, 10252), (5126, 10010), (6058, 8470), (6292, 8155), (6524, 7865)]