15941240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 43765920

約数和(自身を除く): 27824680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 197, 238, 280, 289, 340, 394, 476, 578, 595, 680, 788, 952, 985, 1156, 1190, 1379, 1445, 1576, 1970, 2023, 2312, 2380, 2758, 2890, 3349, 3940, 4046, 4760, 5516, 5780, 6698, 6895, 7880, 8092, 10115, 11032, 11560, 13396, 13790, 16184, 16745, 20230, 23443, 26792, 27580, 33490, 40460, 46886, 55160, 56933, 66980, 80920, 93772, 113866, 117215, 133960, 187544, 227732, 234430, 284665, 398531, 455464, 468860, 569330, 797062, 937720, 1138660, 1594124, 1992655, 2277320, 3188248, 3985310, 7970620, 15941240]

約数ペア:

[(1, 15941240), (2, 7970620), (4, 3985310), (5, 3188248), (7, 2277320), (8, 1992655), (10, 1594124), (14, 1138660), (17, 937720), (20, 797062), (28, 569330), (34, 468860), (35, 455464), (40, 398531), (56, 284665), (68, 234430), (70, 227732), (85, 187544), (119, 133960), (136, 117215), (140, 113866), (170, 93772), (197, 80920), (238, 66980), (280, 56933), (289, 55160), (340, 46886), (394, 40460), (476, 33490), (578, 27580), (595, 26792), (680, 23443), (788, 20230), (952, 16745), (985, 16184), (1156, 13790), (1190, 13396), (1379, 11560), (1445, 11032), (1576, 10115), (1970, 8092), (2023, 7880), (2312, 6895), (2380, 6698), (2758, 5780), (2890, 5516), (3349, 4760), (3940, 4046)]