31882480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 90449568

約数和(自身を除く): 58567088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 197, 238, 272, 280, 289, 340, 394, 476, 560, 578, 595, 680, 788, 952, 985, 1156, 1190, 1360, 1379, 1445, 1576, 1904, 1970, 2023, 2312, 2380, 2758, 2890, 3152, 3349, 3940, 4046, 4624, 4760, 5516, 5780, 6698, 6895, 7880, 8092, 9520, 10115, 11032, 11560, 13396, 13790, 15760, 16184, 16745, 20230, 22064, 23120, 23443, 26792, 27580, 32368, 33490, 40460, 46886, 53584, 55160, 56933, 66980, 80920, 93772, 110320, 113866, 117215, 133960, 161840, 187544, 227732, 234430, 267920, 284665, 375088, 398531, 455464, 468860, 569330, 797062, 910928, 937720, 1138660, 1594124, 1875440, 1992655, 2277320, 3188248, 3985310, 4554640, 6376496, 7970620, 15941240, 31882480]

約数ペア:

[(1, 31882480), (2, 15941240), (4, 7970620), (5, 6376496), (7, 4554640), (8, 3985310), (10, 3188248), (14, 2277320), (16, 1992655), (17, 1875440), (20, 1594124), (28, 1138660), (34, 937720), (35, 910928), (40, 797062), (56, 569330), (68, 468860), (70, 455464), (80, 398531), (85, 375088), (112, 284665), (119, 267920), (136, 234430), (140, 227732), (170, 187544), (197, 161840), (238, 133960), (272, 117215), (280, 113866), (289, 110320), (340, 93772), (394, 80920), (476, 66980), (560, 56933), (578, 55160), (595, 53584), (680, 46886), (788, 40460), (952, 33490), (985, 32368), (1156, 27580), (1190, 26792), (1360, 23443), (1379, 23120), (1445, 22064), (1576, 20230), (1904, 16745), (1970, 16184), (2023, 15760), (2312, 13790), (2380, 13396), (2758, 11560), (2890, 11032), (3152, 10115), (3349, 9520), (3940, 8092), (4046, 7880), (4624, 6895), (4760, 6698), (5516, 5780)]