212888880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{647}}^1$

素因数の和:1123

約数の個数: 120

約数和(自身を含む): 717623712

約数和(自身を除く): 504734832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 457, 647, 720, 914, 1294, 1371, 1828, 1941, 2285, 2588, 2742, 3235, 3656, 3882, 4113, 4570, 5176, 5484, 5823, 6470, 6855, 7312, 7764, 8226, 9140, 9705, 10352, 10968, 11646, 12940, 13710, 15528, 16452, 18280, 19410, 20565, 21936, 23292, 25880, 27420, 29115, 31056, 32904, 36560, 38820, 41130, 46584, 51760, 54840, 58230, 65808, 77640, 82260, 93168, 109680, 116460, 155280, 164520, 232920, 295679, 329040, 465840, 591358, 887037, 1182716, 1478395, 1774074, 2365432, 2661111, 2956790, 3548148, 4435185, 4730864, 5322222, 5913580, 7096296, 8870370, 10644444, 11827160, 13305555, 14192592, 17740740, 21288888, 23654320, 26611110, 35481480, 42577776, 53222220, 70962960, 106444440, 212888880]

約数ペア:

[(1, 212888880), (2, 106444440), (3, 70962960), (4, 53222220), (5, 42577776), (6, 35481480), (8, 26611110), (9, 23654320), (10, 21288888), (12, 17740740), (15, 14192592), (16, 13305555), (18, 11827160), (20, 10644444), (24, 8870370), (30, 7096296), (36, 5913580), (40, 5322222), (45, 4730864), (48, 4435185), (60, 3548148), (72, 2956790), (80, 2661111), (90, 2365432), (120, 1774074), (144, 1478395), (180, 1182716), (240, 887037), (360, 591358), (457, 465840), (647, 329040), (720, 295679), (914, 232920), (1294, 164520), (1371, 155280), (1828, 116460), (1941, 109680), (2285, 93168), (2588, 82260), (2742, 77640), (3235, 65808), (3656, 58230), (3882, 54840), (4113, 51760), (4570, 46584), (5176, 41130), (5484, 38820), (5823, 36560), (6470, 32904), (6855, 31056), (7312, 29115), (7764, 27420), (8226, 25880), (9140, 23292), (9705, 21936), (10352, 20565), (10968, 19410), (11646, 18280), (12940, 16452), (13710, 15528)]