235655680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 160

約数和(自身を含む): 623178864

約数和(自身を除く): 387523184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 97, 104, 128, 130, 146, 160, 194, 208, 256, 260, 292, 320, 365, 388, 416, 485, 512, 520, 584, 640, 730, 776, 832, 949, 970, 1040, 1168, 1261, 1280, 1460, 1552, 1664, 1898, 1940, 2080, 2336, 2522, 2560, 2920, 3104, 3328, 3796, 3880, 4160, 4672, 4745, 5044, 5840, 6208, 6305, 6656, 7081, 7592, 7760, 8320, 9344, 9490, 10088, 11680, 12416, 12610, 14162, 15184, 15520, 16640, 18688, 18980, 20176, 23360, 24832, 25220, 28324, 30368, 31040, 33280, 35405, 37376, 37960, 40352, 46720, 49664, 50440, 56648, 60736, 62080, 70810, 75920, 80704, 92053, 93440, 100880, 113296, 121472, 124160, 141620, 151840, 161408, 184106, 186880, 201760, 226592, 242944, 248320, 283240, 303680, 322816, 368212, 403520, 453184, 460265, 485888, 566480, 607360, 645632, 736424, 807040, 906368, 920530, 1132960, 1214720, 1472848, 1614080, 1812736, 1841060, 2265920, 2429440, 2945696, 3228160, 3625472, 3682120, 4531840, 5891392, 7364240, 9063680, 11782784, 14728480, 18127360, 23565568, 29456960, 47131136, 58913920, 117827840, 235655680]

約数ペア:

[(1, 235655680), (2, 117827840), (4, 58913920), (5, 47131136), (8, 29456960), (10, 23565568), (13, 18127360), (16, 14728480), (20, 11782784), (26, 9063680), (32, 7364240), (40, 5891392), (52, 4531840), (64, 3682120), (65, 3625472), (73, 3228160), (80, 2945696), (97, 2429440), (104, 2265920), (128, 1841060), (130, 1812736), (146, 1614080), (160, 1472848), (194, 1214720), (208, 1132960), (256, 920530), (260, 906368), (292, 807040), (320, 736424), (365, 645632), (388, 607360), (416, 566480), (485, 485888), (512, 460265), (520, 453184), (584, 403520), (640, 368212), (730, 322816), (776, 303680), (832, 283240), (949, 248320), (970, 242944), (1040, 226592), (1168, 201760), (1261, 186880), (1280, 184106), (1460, 161408), (1552, 151840), (1664, 141620), (1898, 124160), (1940, 121472), (2080, 113296), (2336, 100880), (2522, 93440), (2560, 92053), (2920, 80704), (3104, 75920), (3328, 70810), (3796, 62080), (3880, 60736), (4160, 56648), (4672, 50440), (4745, 49664), (5044, 46720), (5840, 40352), (6208, 37960), (6305, 37376), (6656, 35405), (7081, 33280), (7592, 31040), (7760, 30368), (8320, 28324), (9344, 25220), (9490, 24832), (10088, 23360), (11680, 20176), (12416, 18980), (12610, 18688), (14162, 16640), (15184, 15520)]