128178180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:112

約数の個数: 288

約数和(自身を含む): 467107200

約数和(自身を除く): 338929020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 31, 36, 38, 39, 45, 52, 54, 57, 60, 62, 65, 76, 78, 90, 93, 95, 108, 114, 117, 124, 130, 135, 155, 156, 171, 180, 186, 190, 195, 228, 234, 247, 260, 270, 279, 285, 310, 342, 351, 372, 380, 390, 403, 465, 468, 494, 513, 540, 558, 570, 585, 589, 620, 684, 702, 741, 780, 806, 837, 855, 930, 961, 988, 1026, 1116, 1140, 1170, 1178, 1209, 1235, 1395, 1404, 1482, 1612, 1674, 1710, 1755, 1767, 1860, 1922, 2015, 2052, 2223, 2340, 2356, 2418, 2470, 2565, 2790, 2883, 2945, 2964, 3348, 3420, 3510, 3534, 3627, 3705, 3844, 4030, 4185, 4446, 4805, 4836, 4940, 5130, 5301, 5580, 5766, 5890, 6045, 6669, 7020, 7068, 7254, 7410, 7657, 8060, 8370, 8649, 8835, 8892, 9610, 10260, 10602, 10881, 11115, 11532, 11780, 12090, 12493, 13338, 14415, 14508, 14820, 15314, 15903, 16740, 17298, 17670, 18135, 18259, 19220, 21204, 21762, 22230, 22971, 24180, 24986, 25947, 26505, 26676, 28830, 30628, 31806, 33345, 34596, 35340, 36270, 36518, 37479, 38285, 43245, 43524, 44460, 45942, 49972, 51894, 53010, 54405, 54777, 57660, 62465, 63612, 66690, 68913, 72540, 73036, 74958, 76570, 79515, 86490, 91295, 91884, 103788, 106020, 108810, 109554, 112437, 114855, 124930, 129735, 133380, 137826, 149916, 153140, 159030, 164331, 172980, 182590, 187395, 206739, 217620, 219108, 224874, 229710, 237367, 249860, 259470, 273885, 275652, 318060, 328662, 337311, 344565, 365180, 374790, 413478, 449748, 459420, 474734, 492993, 518940, 547770, 562185, 657324, 674622, 689130, 712101, 749580, 821655, 826956, 949468, 985986, 1033695, 1095540, 1124370, 1186835, 1349244, 1378260, 1424202, 1643310, 1686555, 1971972, 2067390, 2136303, 2248740, 2373670, 2464965, 2848404, 3286620, 3373110, 3560505, 4134780, 4272606, 4747340, 4929930, 6408909, 6746220, 7121010, 8545212, 9859860, 10681515, 12817818, 14242020, 21363030, 25635636, 32044545, 42726060, 64089090, 128178180]

約数ペア:

[(1, 128178180), (2, 64089090), (3, 42726060), (4, 32044545), (5, 25635636), (6, 21363030), (9, 14242020), (10, 12817818), (12, 10681515), (13, 9859860), (15, 8545212), (18, 7121010), (19, 6746220), (20, 6408909), (26, 4929930), (27, 4747340), (30, 4272606), (31, 4134780), (36, 3560505), (38, 3373110), (39, 3286620), (45, 2848404), (52, 2464965), (54, 2373670), (57, 2248740), (60, 2136303), (62, 2067390), (65, 1971972), (76, 1686555), (78, 1643310), (90, 1424202), (93, 1378260), (95, 1349244), (108, 1186835), (114, 1124370), (117, 1095540), (124, 1033695), (130, 985986), (135, 949468), (155, 826956), (156, 821655), (171, 749580), (180, 712101), (186, 689130), (190, 674622), (195, 657324), (228, 562185), (234, 547770), (247, 518940), (260, 492993), (270, 474734), (279, 459420), (285, 449748), (310, 413478), (342, 374790), (351, 365180), (372, 344565), (380, 337311), (390, 328662), (403, 318060), (465, 275652), (468, 273885), (494, 259470), (513, 249860), (540, 237367), (558, 229710), (570, 224874), (585, 219108), (589, 217620), (620, 206739), (684, 187395), (702, 182590), (741, 172980), (780, 164331), (806, 159030), (837, 153140), (855, 149916), (930, 137826), (961, 133380), (988, 129735), (1026, 124930), (1116, 114855), (1140, 112437), (1170, 109554), (1178, 108810), (1209, 106020), (1235, 103788), (1395, 91884), (1404, 91295), (1482, 86490), (1612, 79515), (1674, 76570), (1710, 74958), (1755, 73036), (1767, 72540), (1860, 68913), (1922, 66690), (2015, 63612), (2052, 62465), (2223, 57660), (2340, 54777), (2356, 54405), (2418, 53010), (2470, 51894), (2565, 49972), (2790, 45942), (2883, 44460), (2945, 43524), (2964, 43245), (3348, 38285), (3420, 37479), (3510, 36518), (3534, 36270), (3627, 35340), (3705, 34596), (3844, 33345), (4030, 31806), (4185, 30628), (4446, 28830), (4805, 26676), (4836, 26505), (4940, 25947), (5130, 24986), (5301, 24180), (5580, 22971), (5766, 22230), (5890, 21762), (6045, 21204), (6669, 19220), (7020, 18259), (7068, 18135), (7254, 17670), (7410, 17298), (7657, 16740), (8060, 15903), (8370, 15314), (8649, 14820), (8835, 14508), (8892, 14415), (9610, 13338), (10260, 12493), (10602, 12090), (10881, 11780), (11115, 11532)]