30307680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1653

約数の個数: 144

約数和(自身を含む): 111449520

約数和(自身を除く): 81141840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1619, 1872, 2080, 2340, 3120, 3238, 3744, 4680, 4857, 6240, 6476, 8095, 9360, 9714, 12952, 14571, 16190, 18720, 19428, 21047, 24285, 25904, 29142, 32380, 38856, 42094, 48570, 51808, 58284, 63141, 64760, 72855, 77712, 84188, 97140, 105235, 116568, 126282, 129520, 145710, 155424, 168376, 189423, 194280, 210470, 233136, 252564, 259040, 291420, 315705, 336752, 378846, 388560, 420940, 466272, 505128, 582840, 631410, 673504, 757692, 777120, 841880, 947115, 1010256, 1165680, 1262820, 1515384, 1683760, 1894230, 2020512, 2331360, 2525640, 3030768, 3367520, 3788460, 5051280, 6061536, 7576920, 10102560, 15153840, 30307680]

約数ペア:

[(1, 30307680), (2, 15153840), (3, 10102560), (4, 7576920), (5, 6061536), (6, 5051280), (8, 3788460), (9, 3367520), (10, 3030768), (12, 2525640), (13, 2331360), (15, 2020512), (16, 1894230), (18, 1683760), (20, 1515384), (24, 1262820), (26, 1165680), (30, 1010256), (32, 947115), (36, 841880), (39, 777120), (40, 757692), (45, 673504), (48, 631410), (52, 582840), (60, 505128), (65, 466272), (72, 420940), (78, 388560), (80, 378846), (90, 336752), (96, 315705), (104, 291420), (117, 259040), (120, 252564), (130, 233136), (144, 210470), (156, 194280), (160, 189423), (180, 168376), (195, 155424), (208, 145710), (234, 129520), (240, 126282), (260, 116568), (288, 105235), (312, 97140), (360, 84188), (390, 77712), (416, 72855), (468, 64760), (480, 63141), (520, 58284), (585, 51808), (624, 48570), (720, 42094), (780, 38856), (936, 32380), (1040, 29142), (1170, 25904), (1248, 24285), (1440, 21047), (1560, 19428), (1619, 18720), (1872, 16190), (2080, 14571), (2340, 12952), (3120, 9714), (3238, 9360), (3744, 8095), (4680, 6476), (4857, 6240)]