81283800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:662

約数の個数: 192

約数和(自身を含む): 287794080

約数和(自身を除く): 206510280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 25, 26, 30, 34, 39, 40, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 104, 120, 130, 136, 150, 156, 170, 195, 200, 204, 221, 255, 260, 300, 312, 325, 340, 390, 408, 425, 442, 510, 520, 600, 613, 650, 663, 680, 780, 850, 884, 975, 1020, 1105, 1226, 1275, 1300, 1326, 1560, 1700, 1768, 1839, 1950, 2040, 2210, 2452, 2550, 2600, 2652, 3065, 3315, 3400, 3678, 3900, 4420, 4904, 5100, 5304, 5525, 6130, 6630, 7356, 7800, 7969, 8840, 9195, 10200, 10421, 11050, 12260, 13260, 14712, 15325, 15938, 16575, 18390, 20842, 22100, 23907, 24520, 26520, 30650, 31263, 31876, 33150, 36780, 39845, 41684, 44200, 45975, 47814, 52105, 61300, 62526, 63752, 66300, 73560, 79690, 83368, 91950, 95628, 104210, 119535, 122600, 125052, 132600, 135473, 156315, 159380, 183900, 191256, 199225, 208420, 239070, 250104, 260525, 270946, 312630, 318760, 367800, 398450, 406419, 416840, 478140, 521050, 541892, 597675, 625260, 677365, 781575, 796900, 812838, 956280, 1042100, 1083784, 1195350, 1250520, 1354730, 1563150, 1593800, 1625676, 2032095, 2084200, 2390700, 2709460, 3126300, 3251352, 3386825, 4064190, 4781400, 5418920, 6252600, 6773650, 8128380, 10160475, 13547300, 16256760, 20320950, 27094600, 40641900, 81283800]

約数ペア:

[(1, 81283800), (2, 40641900), (3, 27094600), (4, 20320950), (5, 16256760), (6, 13547300), (8, 10160475), (10, 8128380), (12, 6773650), (13, 6252600), (15, 5418920), (17, 4781400), (20, 4064190), (24, 3386825), (25, 3251352), (26, 3126300), (30, 2709460), (34, 2390700), (39, 2084200), (40, 2032095), (50, 1625676), (51, 1593800), (52, 1563150), (60, 1354730), (65, 1250520), (68, 1195350), (75, 1083784), (78, 1042100), (85, 956280), (100, 812838), (102, 796900), (104, 781575), (120, 677365), (130, 625260), (136, 597675), (150, 541892), (156, 521050), (170, 478140), (195, 416840), (200, 406419), (204, 398450), (221, 367800), (255, 318760), (260, 312630), (300, 270946), (312, 260525), (325, 250104), (340, 239070), (390, 208420), (408, 199225), (425, 191256), (442, 183900), (510, 159380), (520, 156315), (600, 135473), (613, 132600), (650, 125052), (663, 122600), (680, 119535), (780, 104210), (850, 95628), (884, 91950), (975, 83368), (1020, 79690), (1105, 73560), (1226, 66300), (1275, 63752), (1300, 62526), (1326, 61300), (1560, 52105), (1700, 47814), (1768, 45975), (1839, 44200), (1950, 41684), (2040, 39845), (2210, 36780), (2452, 33150), (2550, 31876), (2600, 31263), (2652, 30650), (3065, 26520), (3315, 24520), (3400, 23907), (3678, 22100), (3900, 20842), (4420, 18390), (4904, 16575), (5100, 15938), (5304, 15325), (5525, 14712), (6130, 13260), (6630, 12260), (7356, 11050), (7800, 10421), (7969, 10200), (8840, 9195)]