131468220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3004

約数の個数: 144

約数和(自身を含む): 452219040

約数和(自身を除く): 320750820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2957, 2964, 3420, 3705, 4446, 4940, 5914, 7410, 8871, 8892, 11115, 11828, 14785, 14820, 17742, 22230, 26613, 29570, 35484, 38441, 44355, 44460, 53226, 56183, 59140, 76882, 88710, 106452, 112366, 115323, 133065, 153764, 168549, 177420, 192205, 224732, 230646, 266130, 280915, 337098, 345969, 384410, 461292, 505647, 532260, 561830, 576615, 674196, 691938, 730379, 768820, 842745, 1011294, 1123660, 1153230, 1383876, 1460758, 1685490, 1729845, 2022588, 2191137, 2306460, 2528235, 2921516, 3370980, 3459690, 3651895, 4382274, 5056470, 6573411, 6919380, 7303790, 8764548, 10112940, 10955685, 13146822, 14607580, 21911370, 26293644, 32867055, 43822740, 65734110, 131468220]

約数ペア:

[(1, 131468220), (2, 65734110), (3, 43822740), (4, 32867055), (5, 26293644), (6, 21911370), (9, 14607580), (10, 13146822), (12, 10955685), (13, 10112940), (15, 8764548), (18, 7303790), (19, 6919380), (20, 6573411), (26, 5056470), (30, 4382274), (36, 3651895), (38, 3459690), (39, 3370980), (45, 2921516), (52, 2528235), (57, 2306460), (60, 2191137), (65, 2022588), (76, 1729845), (78, 1685490), (90, 1460758), (95, 1383876), (114, 1153230), (117, 1123660), (130, 1011294), (156, 842745), (171, 768820), (180, 730379), (190, 691938), (195, 674196), (228, 576615), (234, 561830), (247, 532260), (260, 505647), (285, 461292), (342, 384410), (380, 345969), (390, 337098), (468, 280915), (494, 266130), (570, 230646), (585, 224732), (684, 192205), (741, 177420), (780, 168549), (855, 153764), (988, 133065), (1140, 115323), (1170, 112366), (1235, 106452), (1482, 88710), (1710, 76882), (2223, 59140), (2340, 56183), (2470, 53226), (2957, 44460), (2964, 44355), (3420, 38441), (3705, 35484), (4446, 29570), (4940, 26613), (5914, 22230), (7410, 17742), (8871, 14820), (8892, 14785), (11115, 11828)]