81536760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4441}}^1$

素因数の和:4478

約数の個数: 128

約数和(自身を含む): 287841600

約数和(自身を除く): 206304840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1080, 1224, 1530, 1836, 2040, 2295, 3060, 3672, 4441, 4590, 6120, 8882, 9180, 13323, 17764, 18360, 22205, 26646, 35528, 39969, 44410, 53292, 66615, 75497, 79938, 88820, 106584, 119907, 133230, 150994, 159876, 177640, 199845, 226491, 239814, 266460, 301988, 319752, 377485, 399690, 452982, 479628, 532920, 599535, 603976, 679473, 754970, 799380, 905964, 959256, 1132455, 1199070, 1358946, 1509940, 1598760, 1811928, 2038419, 2264910, 2398140, 2717892, 3019880, 3397365, 4076838, 4529820, 4796280, 5435784, 6794730, 8153676, 9059640, 10192095, 13589460, 16307352, 20384190, 27178920, 40768380, 81536760]

約数ペア:

[(1, 81536760), (2, 40768380), (3, 27178920), (4, 20384190), (5, 16307352), (6, 13589460), (8, 10192095), (9, 9059640), (10, 8153676), (12, 6794730), (15, 5435784), (17, 4796280), (18, 4529820), (20, 4076838), (24, 3397365), (27, 3019880), (30, 2717892), (34, 2398140), (36, 2264910), (40, 2038419), (45, 1811928), (51, 1598760), (54, 1509940), (60, 1358946), (68, 1199070), (72, 1132455), (85, 959256), (90, 905964), (102, 799380), (108, 754970), (120, 679473), (135, 603976), (136, 599535), (153, 532920), (170, 479628), (180, 452982), (204, 399690), (216, 377485), (255, 319752), (270, 301988), (306, 266460), (340, 239814), (360, 226491), (408, 199845), (459, 177640), (510, 159876), (540, 150994), (612, 133230), (680, 119907), (765, 106584), (918, 88820), (1020, 79938), (1080, 75497), (1224, 66615), (1530, 53292), (1836, 44410), (2040, 39969), (2295, 35528), (3060, 26646), (3672, 22205), (4441, 18360), (4590, 17764), (6120, 13323), (8882, 9180)]