258355240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 720679680

約数和(自身を除く): 462324440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 47, 52, 55, 62, 65, 88, 94, 104, 110, 124, 130, 143, 155, 188, 220, 235, 248, 260, 286, 310, 341, 376, 403, 440, 470, 517, 520, 572, 611, 620, 682, 715, 806, 940, 961, 1034, 1144, 1222, 1240, 1364, 1430, 1457, 1612, 1705, 1880, 1922, 2015, 2068, 2444, 2585, 2728, 2860, 2914, 3055, 3224, 3410, 3844, 4030, 4136, 4433, 4805, 4888, 5170, 5720, 5828, 6110, 6721, 6820, 7285, 7688, 8060, 8866, 9610, 10340, 10571, 11656, 12220, 12493, 13442, 13640, 14570, 16027, 16120, 17732, 18941, 19220, 20680, 21142, 22165, 24440, 24986, 26884, 29140, 32054, 33605, 35464, 37882, 38440, 42284, 44330, 45167, 49972, 52855, 53768, 58280, 62465, 64108, 67210, 75764, 80135, 84568, 88660, 90334, 94705, 99944, 105710, 124930, 128216, 134420, 137423, 151528, 160270, 177320, 180668, 189410, 208351, 211420, 225835, 249860, 268840, 274846, 320540, 361336, 378820, 416702, 422840, 451670, 496837, 499720, 549692, 587171, 641080, 687115, 757640, 833404, 903340, 993674, 1041755, 1099384, 1174342, 1374230, 1666808, 1806680, 1987348, 2083510, 2348684, 2484185, 2748460, 2935855, 3974696, 4167020, 4697368, 4968370, 5496920, 5871710, 6458881, 8334040, 9936740, 11743420, 12917762, 19873480, 23486840, 25835524, 32294405, 51671048, 64588810, 129177620, 258355240]

約数ペア:

[(1, 258355240), (2, 129177620), (4, 64588810), (5, 51671048), (8, 32294405), (10, 25835524), (11, 23486840), (13, 19873480), (20, 12917762), (22, 11743420), (26, 9936740), (31, 8334040), (40, 6458881), (44, 5871710), (47, 5496920), (52, 4968370), (55, 4697368), (62, 4167020), (65, 3974696), (88, 2935855), (94, 2748460), (104, 2484185), (110, 2348684), (124, 2083510), (130, 1987348), (143, 1806680), (155, 1666808), (188, 1374230), (220, 1174342), (235, 1099384), (248, 1041755), (260, 993674), (286, 903340), (310, 833404), (341, 757640), (376, 687115), (403, 641080), (440, 587171), (470, 549692), (517, 499720), (520, 496837), (572, 451670), (611, 422840), (620, 416702), (682, 378820), (715, 361336), (806, 320540), (940, 274846), (961, 268840), (1034, 249860), (1144, 225835), (1222, 211420), (1240, 208351), (1364, 189410), (1430, 180668), (1457, 177320), (1612, 160270), (1705, 151528), (1880, 137423), (1922, 134420), (2015, 128216), (2068, 124930), (2444, 105710), (2585, 99944), (2728, 94705), (2860, 90334), (2914, 88660), (3055, 84568), (3224, 80135), (3410, 75764), (3844, 67210), (4030, 64108), (4136, 62465), (4433, 58280), (4805, 53768), (4888, 52855), (5170, 49972), (5720, 45167), (5828, 44330), (6110, 42284), (6721, 38440), (6820, 37882), (7285, 35464), (7688, 33605), (8060, 32054), (8866, 29140), (9610, 26884), (10340, 24986), (10571, 24440), (11656, 22165), (12220, 21142), (12493, 20680), (13442, 19220), (13640, 18941), (14570, 17732), (16027, 16120)]