1555984980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:595

約数の個数: 216

約数和(自身を含む): 5228496000

約数和(自身を除く): 3672511020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 199, 220, 242, 330, 359, 363, 396, 398, 484, 495, 597, 605, 660, 718, 726, 796, 990, 995, 1077, 1089, 1194, 1210, 1436, 1452, 1791, 1795, 1815, 1980, 1990, 2154, 2178, 2189, 2388, 2420, 2985, 3231, 3582, 3590, 3630, 3949, 3980, 4308, 4356, 4378, 5385, 5445, 5970, 6462, 6567, 7164, 7180, 7260, 7898, 8756, 8955, 10770, 10890, 10945, 11847, 11940, 12924, 13134, 15796, 16155, 17910, 19701, 19745, 21540, 21780, 21890, 23694, 24079, 26268, 32310, 32835, 35541, 35820, 39402, 39490, 43439, 43780, 47388, 48158, 59235, 64620, 65670, 71082, 71441, 72237, 78804, 78980, 86878, 96316, 98505, 118470, 120395, 130317, 131340, 142164, 142882, 144474, 173756, 177705, 197010, 214323, 216711, 217195, 236940, 240790, 260634, 285764, 288948, 355410, 357205, 361185, 390951, 394020, 428646, 433422, 434390, 481580, 521268, 642969, 651585, 710820, 714410, 722370, 781902, 785851, 857292, 866844, 868780, 1071615, 1083555, 1285938, 1303170, 1428820, 1444740, 1563804, 1571702, 1954755, 2143230, 2167110, 2357553, 2571876, 2606340, 3143404, 3214845, 3909510, 3929255, 4286460, 4334220, 4715106, 6429690, 7072659, 7819020, 7858510, 8644361, 9430212, 11787765, 12859380, 14145318, 15717020, 17288722, 23575530, 25933083, 28290636, 34577444, 35363295, 43221805, 47151060, 51866166, 70726590, 77799249, 86443610, 103732332, 129665415, 141453180, 155598498, 172887220, 259330830, 311196996, 388996245, 518661660, 777992490, 1555984980]

約数ペア:

[(1, 1555984980), (2, 777992490), (3, 518661660), (4, 388996245), (5, 311196996), (6, 259330830), (9, 172887220), (10, 155598498), (11, 141453180), (12, 129665415), (15, 103732332), (18, 86443610), (20, 77799249), (22, 70726590), (30, 51866166), (33, 47151060), (36, 43221805), (44, 35363295), (45, 34577444), (55, 28290636), (60, 25933083), (66, 23575530), (90, 17288722), (99, 15717020), (110, 14145318), (121, 12859380), (132, 11787765), (165, 9430212), (180, 8644361), (198, 7858510), (199, 7819020), (220, 7072659), (242, 6429690), (330, 4715106), (359, 4334220), (363, 4286460), (396, 3929255), (398, 3909510), (484, 3214845), (495, 3143404), (597, 2606340), (605, 2571876), (660, 2357553), (718, 2167110), (726, 2143230), (796, 1954755), (990, 1571702), (995, 1563804), (1077, 1444740), (1089, 1428820), (1194, 1303170), (1210, 1285938), (1436, 1083555), (1452, 1071615), (1791, 868780), (1795, 866844), (1815, 857292), (1980, 785851), (1990, 781902), (2154, 722370), (2178, 714410), (2189, 710820), (2388, 651585), (2420, 642969), (2985, 521268), (3231, 481580), (3582, 434390), (3590, 433422), (3630, 428646), (3949, 394020), (3980, 390951), (4308, 361185), (4356, 357205), (4378, 355410), (5385, 288948), (5445, 285764), (5970, 260634), (6462, 240790), (6567, 236940), (7164, 217195), (7180, 216711), (7260, 214323), (7898, 197010), (8756, 177705), (8955, 173756), (10770, 144474), (10890, 142882), (10945, 142164), (11847, 131340), (11940, 130317), (12924, 120395), (13134, 118470), (15796, 98505), (16155, 96316), (17910, 86878), (19701, 78980), (19745, 78804), (21540, 72237), (21780, 71441), (21890, 71082), (23694, 65670), (24079, 64620), (26268, 59235), (32310, 48158), (32835, 47388), (35541, 43780), (35820, 43439), (39402, 39490)]