42784578180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1\times {\mathrm{2027}}^1$

素因数の和:2978

約数の個数: 144

約数和(自身を含む): 130881441600

約数和(自身を除く): 88096863420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 787, 894, 1341, 1490, 1574, 1788, 2027, 2235, 2361, 2682, 2980, 3148, 3935, 4054, 4470, 4722, 5364, 6081, 6705, 7083, 7870, 8108, 8940, 9444, 10135, 11805, 12162, 13410, 14166, 15740, 18243, 20270, 23610, 24324, 26820, 28332, 30405, 35415, 36486, 40540, 47220, 60810, 70830, 72972, 91215, 117263, 121620, 141660, 182430, 234526, 302023, 351789, 364860, 469052, 586315, 604046, 703578, 906069, 1055367, 1172630, 1208092, 1407156, 1510115, 1595249, 1758945, 1812138, 2110734, 2345260, 2718207, 3020230, 3190498, 3517890, 3624276, 4221468, 4530345, 4785747, 5276835, 5436414, 6040460, 6380996, 7035780, 7976245, 9060690, 9571494, 10553670, 10872828, 13591035, 14357241, 15952490, 18121380, 19142988, 21107340, 23928735, 27182070, 28714482, 31904980, 47857470, 54364140, 57428964, 71786205, 95714940, 143572410, 237692101, 287144820, 475384202, 713076303, 950768404, 1188460505, 1426152606, 2139228909, 2376921010, 2852305212, 3565381515, 4278457818, 4753842020, 7130763030, 8556915636, 10696144545, 14261526060, 21392289090, 42784578180]

約数ペア:

[(1, 42784578180), (2, 21392289090), (3, 14261526060), (4, 10696144545), (5, 8556915636), (6, 7130763030), (9, 4753842020), (10, 4278457818), (12, 3565381515), (15, 2852305212), (18, 2376921010), (20, 2139228909), (30, 1426152606), (36, 1188460505), (45, 950768404), (60, 713076303), (90, 475384202), (149, 287144820), (180, 237692101), (298, 143572410), (447, 95714940), (596, 71786205), (745, 57428964), (787, 54364140), (894, 47857470), (1341, 31904980), (1490, 28714482), (1574, 27182070), (1788, 23928735), (2027, 21107340), (2235, 19142988), (2361, 18121380), (2682, 15952490), (2980, 14357241), (3148, 13591035), (3935, 10872828), (4054, 10553670), (4470, 9571494), (4722, 9060690), (5364, 7976245), (6081, 7035780), (6705, 6380996), (7083, 6040460), (7870, 5436414), (8108, 5276835), (8940, 4785747), (9444, 4530345), (10135, 4221468), (11805, 3624276), (12162, 3517890), (13410, 3190498), (14166, 3020230), (15740, 2718207), (18243, 2345260), (20270, 2110734), (23610, 1812138), (24324, 1758945), (26820, 1595249), (28332, 1510115), (30405, 1407156), (35415, 1208092), (36486, 1172630), (40540, 1055367), (47220, 906069), (60810, 703578), (70830, 604046), (72972, 586315), (91215, 469052), (117263, 364860), (121620, 351789), (141660, 302023), (182430, 234526)]