18923777640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{8521}}^1$

素因数の和:8768

約数の個数: 192

約数和(自身を含む): 63812736000

約数和(自身を除く): 44888958360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 199, 248, 279, 310, 360, 372, 398, 465, 558, 597, 620, 744, 796, 930, 995, 1116, 1194, 1240, 1395, 1592, 1791, 1860, 1990, 2232, 2388, 2790, 2985, 3582, 3720, 3980, 4776, 5580, 5970, 6169, 7164, 7960, 8521, 8955, 11160, 11940, 12338, 14328, 17042, 17910, 18507, 23880, 24676, 25563, 30845, 34084, 35820, 37014, 42605, 49352, 51126, 55521, 61690, 68168, 71640, 74028, 76689, 85210, 92535, 102252, 111042, 123380, 127815, 148056, 153378, 170420, 185070, 204504, 222084, 246760, 255630, 264151, 277605, 306756, 340840, 370140, 383445, 444168, 511260, 528302, 555210, 613512, 740280, 766890, 792453, 1022520, 1056604, 1110420, 1320755, 1533780, 1584906, 1695679, 2113208, 2220840, 2377359, 2641510, 3067560, 3169812, 3391358, 3962265, 4754718, 5087037, 5283020, 6339624, 6782716, 7924530, 8478395, 9509436, 10174074, 10566040, 11886795, 13565432, 15261111, 15849060, 16956790, 19018872, 20348148, 23773590, 25435185, 30522222, 31698120, 33913580, 40696296, 47547180, 50870370, 52566049, 61044444, 67827160, 76305555, 95094360, 101740740, 105132098, 122088888, 152611110, 157698147, 203481480, 210264196, 262830245, 305222220, 315396294, 420528392, 473094441, 525660490, 610444440, 630792588, 788490735, 946188882, 1051320980, 1261585176, 1576981470, 1892377764, 2102641960, 2365472205, 3153962940, 3784755528, 4730944410, 6307925880, 9461888820, 18923777640]

約数ペア:

[(1, 18923777640), (2, 9461888820), (3, 6307925880), (4, 4730944410), (5, 3784755528), (6, 3153962940), (8, 2365472205), (9, 2102641960), (10, 1892377764), (12, 1576981470), (15, 1261585176), (18, 1051320980), (20, 946188882), (24, 788490735), (30, 630792588), (31, 610444440), (36, 525660490), (40, 473094441), (45, 420528392), (60, 315396294), (62, 305222220), (72, 262830245), (90, 210264196), (93, 203481480), (120, 157698147), (124, 152611110), (155, 122088888), (180, 105132098), (186, 101740740), (199, 95094360), (248, 76305555), (279, 67827160), (310, 61044444), (360, 52566049), (372, 50870370), (398, 47547180), (465, 40696296), (558, 33913580), (597, 31698120), (620, 30522222), (744, 25435185), (796, 23773590), (930, 20348148), (995, 19018872), (1116, 16956790), (1194, 15849060), (1240, 15261111), (1395, 13565432), (1592, 11886795), (1791, 10566040), (1860, 10174074), (1990, 9509436), (2232, 8478395), (2388, 7924530), (2790, 6782716), (2985, 6339624), (3582, 5283020), (3720, 5087037), (3980, 4754718), (4776, 3962265), (5580, 3391358), (5970, 3169812), (6169, 3067560), (7164, 2641510), (7960, 2377359), (8521, 2220840), (8955, 2113208), (11160, 1695679), (11940, 1584906), (12338, 1533780), (14328, 1320755), (17042, 1110420), (17910, 1056604), (18507, 1022520), (23880, 792453), (24676, 766890), (25563, 740280), (30845, 613512), (34084, 555210), (35820, 528302), (37014, 511260), (42605, 444168), (49352, 383445), (51126, 370140), (55521, 340840), (61690, 306756), (68168, 277605), (71640, 264151), (74028, 255630), (76689, 246760), (85210, 222084), (92535, 204504), (102252, 185070), (111042, 170420), (123380, 153378), (127815, 148056)]