771397760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{739}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 2119478400

約数和(自身を除く): 1348080640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 233, 280, 320, 448, 466, 560, 640, 739, 896, 932, 1120, 1165, 1478, 1631, 1864, 2240, 2330, 2956, 3262, 3695, 3728, 4480, 4660, 5173, 5912, 6524, 7390, 7456, 8155, 9320, 10346, 11824, 13048, 14780, 14912, 16310, 18640, 20692, 23648, 25865, 26096, 29560, 29824, 32620, 37280, 41384, 47296, 51730, 52192, 59120, 65240, 74560, 82768, 94592, 103460, 104384, 118240, 130480, 149120, 165536, 172187, 206920, 208768, 236480, 260960, 331072, 344374, 413840, 472960, 521920, 662144, 688748, 827680, 860935, 1043840, 1205309, 1377496, 1655360, 1721870, 2410618, 2754992, 3310720, 3443740, 4821236, 5509984, 6026545, 6887480, 9642472, 11019968, 12053090, 13774960, 19284944, 22039936, 24106180, 27549920, 38569888, 48212360, 55099840, 77139776, 96424720, 110199680, 154279552, 192849440, 385698880, 771397760]

約数ペア:

[(1, 771397760), (2, 385698880), (4, 192849440), (5, 154279552), (7, 110199680), (8, 96424720), (10, 77139776), (14, 55099840), (16, 48212360), (20, 38569888), (28, 27549920), (32, 24106180), (35, 22039936), (40, 19284944), (56, 13774960), (64, 12053090), (70, 11019968), (80, 9642472), (112, 6887480), (128, 6026545), (140, 5509984), (160, 4821236), (224, 3443740), (233, 3310720), (280, 2754992), (320, 2410618), (448, 1721870), (466, 1655360), (560, 1377496), (640, 1205309), (739, 1043840), (896, 860935), (932, 827680), (1120, 688748), (1165, 662144), (1478, 521920), (1631, 472960), (1864, 413840), (2240, 344374), (2330, 331072), (2956, 260960), (3262, 236480), (3695, 208768), (3728, 206920), (4480, 172187), (4660, 165536), (5173, 149120), (5912, 130480), (6524, 118240), (7390, 104384), (7456, 103460), (8155, 94592), (9320, 82768), (10346, 74560), (11824, 65240), (13048, 59120), (14780, 52192), (14912, 51730), (16310, 47296), (18640, 41384), (20692, 37280), (23648, 32620), (25865, 29824), (26096, 29560)]