18998601720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1733}}^1$

素因数の和:2206

約数の個数: 256

約数和(自身を含む): 67437895680

約数和(自身を除く): 48439293960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 421, 434, 465, 620, 651, 744, 840, 842, 868, 930, 1085, 1240, 1263, 1302, 1684, 1733, 1736, 1860, 2105, 2170, 2526, 2604, 2947, 3255, 3368, 3466, 3720, 4210, 4340, 5052, 5199, 5208, 5894, 6315, 6510, 6932, 8420, 8665, 8680, 8841, 10104, 10398, 11788, 12131, 12630, 13020, 13051, 13864, 14735, 16840, 17330, 17682, 20796, 23576, 24262, 25260, 25995, 26040, 26102, 29470, 34660, 35364, 36393, 39153, 41592, 44205, 48524, 50520, 51990, 52204, 53723, 58940, 60655, 65255, 69320, 70728, 72786, 78306, 88410, 91357, 97048, 103980, 104408, 107446, 117880, 121310, 130510, 145572, 156612, 161169, 176820, 181965, 182714, 195765, 207960, 214892, 242620, 261020, 268615, 274071, 291144, 313224, 322338, 353640, 363930, 365428, 376061, 391530, 429784, 456785, 485240, 522040, 537230, 548142, 644676, 727860, 729593, 730856, 752122, 783060, 805845, 913570, 1074460, 1096284, 1128183, 1289352, 1370355, 1455720, 1459186, 1504244, 1566120, 1611690, 1827140, 1880305, 2148920, 2188779, 2192568, 2256366, 2740710, 2918372, 3008488, 3223380, 3647965, 3654280, 3760610, 4377558, 4512732, 5107151, 5481420, 5640915, 5836744, 6446760, 7295930, 7521220, 8755116, 9025464, 10214302, 10943895, 10962840, 11281830, 14591860, 15042440, 15321453, 17510232, 20428604, 21887790, 22563660, 22617383, 25535755, 29183720, 30642906, 40857208, 43775580, 45127320, 45234766, 51071510, 61285812, 67852149, 76607265, 87551160, 90469532, 102143020, 113086915, 122571624, 135704298, 153214530, 158321681, 180939064, 204286040, 226173830, 271408596, 306429060, 316643362, 339260745, 452347660, 474965043, 542817192, 612858120, 633286724, 678521490, 791608405, 904695320, 949930086, 1266573448, 1357042980, 1583216810, 1899860172, 2374825215, 2714085960, 3166433620, 3799720344, 4749650430, 6332867240, 9499300860, 18998601720]

約数ペア:

[(1, 18998601720), (2, 9499300860), (3, 6332867240), (4, 4749650430), (5, 3799720344), (6, 3166433620), (7, 2714085960), (8, 2374825215), (10, 1899860172), (12, 1583216810), (14, 1357042980), (15, 1266573448), (20, 949930086), (21, 904695320), (24, 791608405), (28, 678521490), (30, 633286724), (31, 612858120), (35, 542817192), (40, 474965043), (42, 452347660), (56, 339260745), (60, 316643362), (62, 306429060), (70, 271408596), (84, 226173830), (93, 204286040), (105, 180939064), (120, 158321681), (124, 153214530), (140, 135704298), (155, 122571624), (168, 113086915), (186, 102143020), (210, 90469532), (217, 87551160), (248, 76607265), (280, 67852149), (310, 61285812), (372, 51071510), (420, 45234766), (421, 45127320), (434, 43775580), (465, 40857208), (620, 30642906), (651, 29183720), (744, 25535755), (840, 22617383), (842, 22563660), (868, 21887790), (930, 20428604), (1085, 17510232), (1240, 15321453), (1263, 15042440), (1302, 14591860), (1684, 11281830), (1733, 10962840), (1736, 10943895), (1860, 10214302), (2105, 9025464), (2170, 8755116), (2526, 7521220), (2604, 7295930), (2947, 6446760), (3255, 5836744), (3368, 5640915), (3466, 5481420), (3720, 5107151), (4210, 4512732), (4340, 4377558), (5052, 3760610), (5199, 3654280), (5208, 3647965), (5894, 3223380), (6315, 3008488), (6510, 2918372), (6932, 2740710), (8420, 2256366), (8665, 2192568), (8680, 2188779), (8841, 2148920), (10104, 1880305), (10398, 1827140), (11788, 1611690), (12131, 1566120), (12630, 1504244), (13020, 1459186), (13051, 1455720), (13864, 1370355), (14735, 1289352), (16840, 1128183), (17330, 1096284), (17682, 1074460), (20796, 913570), (23576, 805845), (24262, 783060), (25260, 752122), (25995, 730856), (26040, 729593), (26102, 727860), (29470, 644676), (34660, 548142), (35364, 537230), (36393, 522040), (39153, 485240), (41592, 456785), (44205, 429784), (48524, 391530), (50520, 376061), (51990, 365428), (52204, 363930), (53723, 353640), (58940, 322338), (60655, 313224), (65255, 291144), (69320, 274071), (70728, 268615), (72786, 261020), (78306, 242620), (88410, 214892), (91357, 207960), (97048, 195765), (103980, 182714), (104408, 181965), (107446, 176820), (117880, 161169), (121310, 156612), (130510, 145572)]