211712640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1$

素因数の和:3610

約数の個数: 128

約数和(自身を含む): 696798720

約数和(自身を除く): 485086080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3557, 3720, 3968, 4960, 5952, 7114, 7440, 9920, 10671, 11904, 14228, 14880, 17785, 19840, 21342, 28456, 29760, 35570, 42684, 53355, 56912, 59520, 71140, 85368, 106710, 110267, 113824, 142280, 170736, 213420, 220534, 227648, 284560, 330801, 341472, 426840, 441068, 455296, 551335, 569120, 661602, 682944, 853680, 882136, 1102670, 1138240, 1323204, 1365888, 1654005, 1707360, 1764272, 2205340, 2276480, 2646408, 3308010, 3414720, 3528544, 4410680, 5292816, 6616020, 6829440, 7057088, 8821360, 10585632, 13232040, 14114176, 17642720, 21171264, 26464080, 35285440, 42342528, 52928160, 70570880, 105856320, 211712640]

約数ペア:

[(1, 211712640), (2, 105856320), (3, 70570880), (4, 52928160), (5, 42342528), (6, 35285440), (8, 26464080), (10, 21171264), (12, 17642720), (15, 14114176), (16, 13232040), (20, 10585632), (24, 8821360), (30, 7057088), (31, 6829440), (32, 6616020), (40, 5292816), (48, 4410680), (60, 3528544), (62, 3414720), (64, 3308010), (80, 2646408), (93, 2276480), (96, 2205340), (120, 1764272), (124, 1707360), (128, 1654005), (155, 1365888), (160, 1323204), (186, 1138240), (192, 1102670), (240, 882136), (248, 853680), (310, 682944), (320, 661602), (372, 569120), (384, 551335), (465, 455296), (480, 441068), (496, 426840), (620, 341472), (640, 330801), (744, 284560), (930, 227648), (960, 220534), (992, 213420), (1240, 170736), (1488, 142280), (1860, 113824), (1920, 110267), (1984, 106710), (2480, 85368), (2976, 71140), (3557, 59520), (3720, 56912), (3968, 53355), (4960, 42684), (5952, 35570), (7114, 29760), (7440, 28456), (9920, 21342), (10671, 19840), (11904, 17785), (14228, 14880)]