85631920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 232556544

約数和(自身を除く): 146924624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 43, 44, 55, 62, 73, 80, 86, 88, 110, 124, 146, 155, 172, 176, 215, 220, 248, 292, 310, 341, 344, 365, 430, 440, 473, 496, 584, 620, 682, 688, 730, 803, 860, 880, 946, 1168, 1240, 1333, 1364, 1460, 1606, 1705, 1720, 1892, 2263, 2365, 2480, 2666, 2728, 2920, 3139, 3212, 3410, 3440, 3784, 4015, 4526, 4730, 5332, 5456, 5840, 6278, 6424, 6665, 6820, 7568, 8030, 9052, 9460, 10664, 11315, 12556, 12848, 13330, 13640, 14663, 15695, 16060, 18104, 18920, 21328, 22630, 24893, 25112, 26660, 27280, 29326, 31390, 32120, 34529, 36208, 37840, 45260, 49786, 50224, 53320, 58652, 62780, 64240, 69058, 73315, 90520, 97309, 99572, 106640, 117304, 124465, 125560, 138116, 146630, 172645, 181040, 194618, 199144, 234608, 248930, 251120, 276232, 293260, 345290, 389236, 398288, 486545, 497860, 552464, 586520, 690580, 778472, 973090, 995720, 1070399, 1173040, 1381160, 1556944, 1946180, 1991440, 2140798, 2762320, 3892360, 4281596, 5351995, 7784720, 8563192, 10703990, 17126384, 21407980, 42815960, 85631920]

約数ペア:

[(1, 85631920), (2, 42815960), (4, 21407980), (5, 17126384), (8, 10703990), (10, 8563192), (11, 7784720), (16, 5351995), (20, 4281596), (22, 3892360), (31, 2762320), (40, 2140798), (43, 1991440), (44, 1946180), (55, 1556944), (62, 1381160), (73, 1173040), (80, 1070399), (86, 995720), (88, 973090), (110, 778472), (124, 690580), (146, 586520), (155, 552464), (172, 497860), (176, 486545), (215, 398288), (220, 389236), (248, 345290), (292, 293260), (310, 276232), (341, 251120), (344, 248930), (365, 234608), (430, 199144), (440, 194618), (473, 181040), (496, 172645), (584, 146630), (620, 138116), (682, 125560), (688, 124465), (730, 117304), (803, 106640), (860, 99572), (880, 97309), (946, 90520), (1168, 73315), (1240, 69058), (1333, 64240), (1364, 62780), (1460, 58652), (1606, 53320), (1705, 50224), (1720, 49786), (1892, 45260), (2263, 37840), (2365, 36208), (2480, 34529), (2666, 32120), (2728, 31390), (2920, 29326), (3139, 27280), (3212, 26660), (3410, 25112), (3440, 24893), (3784, 22630), (4015, 21328), (4526, 18920), (4730, 18104), (5332, 16060), (5456, 15695), (5840, 14663), (6278, 13640), (6424, 13330), (6665, 12848), (6820, 12556), (7568, 11315), (8030, 10664), (9052, 9460)]