80270460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 261989280

約数和(自身を除く): 181718820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 281, 345, 414, 460, 529, 540, 562, 621, 690, 828, 843, 1035, 1058, 1124, 1242, 1380, 1405, 1587, 1686, 2070, 2116, 2484, 2529, 2645, 2810, 3105, 3174, 3372, 4140, 4215, 4761, 5058, 5290, 5620, 6210, 6348, 6463, 7587, 7935, 8430, 9522, 10116, 10580, 12420, 12645, 12926, 14283, 15174, 15870, 16860, 19044, 19389, 23805, 25290, 25852, 28566, 30348, 31740, 32315, 37935, 38778, 47610, 50580, 57132, 58167, 64630, 71415, 75870, 77556, 95220, 96945, 116334, 129260, 142830, 148649, 151740, 174501, 193890, 232668, 285660, 290835, 297298, 349002, 387780, 445947, 581670, 594596, 698004, 743245, 872505, 891894, 1163340, 1337841, 1486490, 1745010, 1783788, 2229735, 2675682, 2972980, 3490020, 4013523, 4459470, 5351364, 6689205, 8027046, 8918940, 13378410, 16054092, 20067615, 26756820, 40135230, 80270460]

約数ペア:

[(1, 80270460), (2, 40135230), (3, 26756820), (4, 20067615), (5, 16054092), (6, 13378410), (9, 8918940), (10, 8027046), (12, 6689205), (15, 5351364), (18, 4459470), (20, 4013523), (23, 3490020), (27, 2972980), (30, 2675682), (36, 2229735), (45, 1783788), (46, 1745010), (54, 1486490), (60, 1337841), (69, 1163340), (90, 891894), (92, 872505), (108, 743245), (115, 698004), (135, 594596), (138, 581670), (180, 445947), (207, 387780), (230, 349002), (270, 297298), (276, 290835), (281, 285660), (345, 232668), (414, 193890), (460, 174501), (529, 151740), (540, 148649), (562, 142830), (621, 129260), (690, 116334), (828, 96945), (843, 95220), (1035, 77556), (1058, 75870), (1124, 71415), (1242, 64630), (1380, 58167), (1405, 57132), (1587, 50580), (1686, 47610), (2070, 38778), (2116, 37935), (2484, 32315), (2529, 31740), (2645, 30348), (2810, 28566), (3105, 25852), (3174, 25290), (3372, 23805), (4140, 19389), (4215, 19044), (4761, 16860), (5058, 15870), (5290, 15174), (5620, 14283), (6210, 12926), (6348, 12645), (6463, 12420), (7587, 10580), (7935, 10116), (8430, 9522)]