81689400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3526

約数の個数: 144

約数和(自身を含む): 295527960

約数和(自身を除く): 213838560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3491, 3900, 4680, 5850, 6982, 7800, 10473, 11700, 13964, 17455, 20946, 23400, 27928, 31419, 34910, 41892, 45383, 52365, 62838, 69820, 83784, 87275, 90766, 104730, 125676, 136149, 139640, 157095, 174550, 181532, 209460, 226915, 251352, 261825, 272298, 314190, 349100, 363064, 408447, 418920, 453830, 523650, 544596, 628380, 680745, 698200, 785475, 816894, 907660, 1047300, 1089192, 1134575, 1256760, 1361490, 1570950, 1633788, 1815320, 2042235, 2094600, 2269150, 2722980, 3141900, 3267576, 3403725, 4084470, 4538300, 5445960, 6283800, 6807450, 8168940, 9076600, 10211175, 13614900, 16337880, 20422350, 27229800, 40844700, 81689400]

約数ペア:

[(1, 81689400), (2, 40844700), (3, 27229800), (4, 20422350), (5, 16337880), (6, 13614900), (8, 10211175), (9, 9076600), (10, 8168940), (12, 6807450), (13, 6283800), (15, 5445960), (18, 4538300), (20, 4084470), (24, 3403725), (25, 3267576), (26, 3141900), (30, 2722980), (36, 2269150), (39, 2094600), (40, 2042235), (45, 1815320), (50, 1633788), (52, 1570950), (60, 1361490), (65, 1256760), (72, 1134575), (75, 1089192), (78, 1047300), (90, 907660), (100, 816894), (104, 785475), (117, 698200), (120, 680745), (130, 628380), (150, 544596), (156, 523650), (180, 453830), (195, 418920), (200, 408447), (225, 363064), (234, 349100), (260, 314190), (300, 272298), (312, 261825), (325, 251352), (360, 226915), (390, 209460), (450, 181532), (468, 174550), (520, 157095), (585, 139640), (600, 136149), (650, 125676), (780, 104730), (900, 90766), (936, 87275), (975, 83784), (1170, 69820), (1300, 62838), (1560, 52365), (1800, 45383), (1950, 41892), (2340, 34910), (2600, 31419), (2925, 27928), (3491, 23400), (3900, 20946), (4680, 17455), (5850, 13964), (6982, 11700), (7800, 10473)]