20123231400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{47981}}^1$

素因数の和:48236

約数の個数: 144

約数和(自身を含む): 67871978460

約数和(自身を除く): 47748747060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 233, 300, 360, 450, 466, 600, 699, 900, 932, 1165, 1398, 1800, 1864, 2097, 2330, 2796, 3495, 4194, 4660, 5592, 5825, 6990, 8388, 9320, 10485, 11650, 13980, 16776, 17475, 20970, 23300, 27960, 34950, 41940, 46600, 47981, 52425, 69900, 83880, 95962, 104850, 139800, 143943, 191924, 209700, 239905, 287886, 383848, 419400, 431829, 479810, 575772, 719715, 863658, 959620, 1151544, 1199525, 1439430, 1727316, 1919240, 2159145, 2399050, 2878860, 3454632, 3598575, 4318290, 4798100, 5757720, 7197150, 8636580, 9596200, 10795725, 11179573, 14394300, 17273160, 21591450, 22359146, 28788600, 33538719, 43182900, 44718292, 55897865, 67077438, 86365800, 89436584, 100616157, 111795730, 134154876, 167693595, 201232314, 223591460, 268309752, 279489325, 335387190, 402464628, 447182920, 503080785, 558978650, 670774380, 804929256, 838467975, 1006161570, 1117957300, 1341548760, 1676935950, 2012323140, 2235914600, 2515403925, 3353871900, 4024646280, 5030807850, 6707743800, 10061615700, 20123231400]

約数ペア:

[(1, 20123231400), (2, 10061615700), (3, 6707743800), (4, 5030807850), (5, 4024646280), (6, 3353871900), (8, 2515403925), (9, 2235914600), (10, 2012323140), (12, 1676935950), (15, 1341548760), (18, 1117957300), (20, 1006161570), (24, 838467975), (25, 804929256), (30, 670774380), (36, 558978650), (40, 503080785), (45, 447182920), (50, 402464628), (60, 335387190), (72, 279489325), (75, 268309752), (90, 223591460), (100, 201232314), (120, 167693595), (150, 134154876), (180, 111795730), (200, 100616157), (225, 89436584), (233, 86365800), (300, 67077438), (360, 55897865), (450, 44718292), (466, 43182900), (600, 33538719), (699, 28788600), (900, 22359146), (932, 21591450), (1165, 17273160), (1398, 14394300), (1800, 11179573), (1864, 10795725), (2097, 9596200), (2330, 8636580), (2796, 7197150), (3495, 5757720), (4194, 4798100), (4660, 4318290), (5592, 3598575), (5825, 3454632), (6990, 2878860), (8388, 2399050), (9320, 2159145), (10485, 1919240), (11650, 1727316), (13980, 1439430), (16776, 1199525), (17475, 1151544), (20970, 959620), (23300, 863658), (27960, 719715), (34950, 575772), (41940, 479810), (46600, 431829), (47981, 419400), (52425, 383848), (69900, 287886), (83880, 239905), (95962, 209700), (104850, 191924), (139800, 143943)]