8140870.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 61447860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 251, 279, 285, 310, 342, 372, 380, 465, 502, 558, 570, 589, 620, 684, 753, 855, 930, 1004, 1116, 1140, 1178, 1255, 1395, 1506, 1710, 1767, 1860, 2259, 2356, 2510, 2790, 2945, 3012, 3420, 3534, 3765, 4518, 4769, 5020, 5301, 5580, 5890, 7068, 7530, 7781, 8835, 9036, 9538, 10602, 11295, 11780, 14307, 15060, 15562, 17670, 19076, 21204, 22590, 23343, 23845, 26505, 28614, 31124, 35340, 38905, 42921, 45180, 46686, 47690, 53010, 57228, 70029, 71535, 77810, 85842, 93372, 95380, 106020, 116715, 140058, 143070, 147839, 155620, 171684, 214605, 233430, 280116, 286140, 295678, 350145, 429210, 443517, 466860, 591356, 700290, 739195, 858420, 887034, 1330551, 1400580, 1478390, 1774068, 2217585, 2661102, 2956780, 4435170, 5322204, 6652755, 8870340, 13305510, 26611020]

約数ペア:

[(1, 26611020), (2, 13305510), (3, 8870340), (4, 6652755), (5, 5322204), (6, 4435170), (9, 2956780), (10, 2661102), (12, 2217585), (15, 1774068), (18, 1478390), (19, 1400580), (20, 1330551), (30, 887034), (31, 858420), (36, 739195), (38, 700290), (45, 591356), (57, 466860), (60, 443517), (62, 429210), (76, 350145), (90, 295678), (93, 286140), (95, 280116), (114, 233430), (124, 214605), (155, 171684), (171, 155620), (180, 147839), (186, 143070), (190, 140058), (228, 116715), (251, 106020), (279, 95380), (285, 93372), (310, 85842), (342, 77810), (372, 71535), (380, 70029), (465, 57228), (502, 53010), (558, 47690), (570, 46686), (589, 45180), (620, 42921), (684, 38905), (753, 35340), (855, 31124), (930, 28614), (1004, 26505), (1116, 23845), (1140, 23343), (1178, 22590), (1255, 21204), (1395, 19076), (1506, 17670), (1710, 15562), (1767, 15060), (1860, 14307), (2259, 11780), (2356, 11295), (2510, 10602), (2790, 9538), (2945, 9036), (3012, 8835), (3420, 7781), (3534, 7530), (3765, 7068), (4518, 5890), (4769, 5580), (5020, 5301)]