30980250

素因数分解:

$2^1\times 3^2\times 5^3\times 7^2\times {\mathrm{281}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 97794216

約数和(自身を除く): 66813966

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 125, 126, 147, 150, 175, 210, 225, 245, 250, 281, 294, 315, 350, 375, 441, 450, 490, 525, 562, 630, 735, 750, 843, 875, 882, 1050, 1125, 1225, 1405, 1470, 1575, 1686, 1750, 1967, 2205, 2250, 2450, 2529, 2625, 2810, 3150, 3675, 3934, 4215, 4410, 5058, 5250, 5901, 6125, 7025, 7350, 7875, 8430, 9835, 11025, 11802, 12250, 12645, 13769, 14050, 15750, 17703, 18375, 19670, 21075, 22050, 25290, 27538, 29505, 35125, 35406, 36750, 41307, 42150, 49175, 55125, 59010, 63225, 68845, 70250, 82614, 88515, 98350, 105375, 110250, 123921, 126450, 137690, 147525, 177030, 206535, 210750, 245875, 247842, 295050, 316125, 344225, 413070, 442575, 491750, 619605, 632250, 688450, 737625, 885150, 1032675, 1239210, 1475250, 1721125, 2065350, 2212875, 3098025, 3442250, 4425750, 5163375, 6196050, 10326750, 15490125, 30980250]

約数ペア:

[(1, 30980250), (2, 15490125), (3, 10326750), (5, 6196050), (6, 5163375), (7, 4425750), (9, 3442250), (10, 3098025), (14, 2212875), (15, 2065350), (18, 1721125), (21, 1475250), (25, 1239210), (30, 1032675), (35, 885150), (42, 737625), (45, 688450), (49, 632250), (50, 619605), (63, 491750), (70, 442575), (75, 413070), (90, 344225), (98, 316125), (105, 295050), (125, 247842), (126, 245875), (147, 210750), (150, 206535), (175, 177030), (210, 147525), (225, 137690), (245, 126450), (250, 123921), (281, 110250), (294, 105375), (315, 98350), (350, 88515), (375, 82614), (441, 70250), (450, 68845), (490, 63225), (525, 59010), (562, 55125), (630, 49175), (735, 42150), (750, 41307), (843, 36750), (875, 35406), (882, 35125), (1050, 29505), (1125, 27538), (1225, 25290), (1405, 22050), (1470, 21075), (1575, 19670), (1686, 18375), (1750, 17703), (1967, 15750), (2205, 14050), (2250, 13769), (2450, 12645), (2529, 12250), (2625, 11802), (2810, 11025), (3150, 9835), (3675, 8430), (3934, 7875), (4215, 7350), (4410, 7025), (5058, 6125), (5250, 5901)]