7990320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 26958096

約数和(自身を除く): 18967776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 197, 208, 240, 260, 312, 338, 390, 394, 507, 520, 591, 624, 676, 780, 788, 845, 985, 1014, 1040, 1182, 1352, 1560, 1576, 1690, 1970, 2028, 2364, 2535, 2561, 2704, 2955, 3120, 3152, 3380, 3940, 4056, 4728, 5070, 5122, 5910, 6760, 7683, 7880, 8112, 9456, 10140, 10244, 11820, 12805, 13520, 15366, 15760, 20280, 20488, 23640, 25610, 30732, 33293, 38415, 40560, 40976, 47280, 51220, 61464, 66586, 76830, 99879, 102440, 122928, 133172, 153660, 166465, 199758, 204880, 266344, 307320, 332930, 399516, 499395, 532688, 614640, 665860, 799032, 998790, 1331720, 1598064, 1997580, 2663440, 3995160, 7990320]

約数ペア:

[(1, 7990320), (2, 3995160), (3, 2663440), (4, 1997580), (5, 1598064), (6, 1331720), (8, 998790), (10, 799032), (12, 665860), (13, 614640), (15, 532688), (16, 499395), (20, 399516), (24, 332930), (26, 307320), (30, 266344), (39, 204880), (40, 199758), (48, 166465), (52, 153660), (60, 133172), (65, 122928), (78, 102440), (80, 99879), (104, 76830), (120, 66586), (130, 61464), (156, 51220), (169, 47280), (195, 40976), (197, 40560), (208, 38415), (240, 33293), (260, 30732), (312, 25610), (338, 23640), (390, 20488), (394, 20280), (507, 15760), (520, 15366), (591, 13520), (624, 12805), (676, 11820), (780, 10244), (788, 10140), (845, 9456), (985, 8112), (1014, 7880), (1040, 7683), (1182, 6760), (1352, 5910), (1560, 5122), (1576, 5070), (1690, 4728), (1970, 4056), (2028, 3940), (2364, 3380), (2535, 3152), (2561, 3120), (2704, 2955)]