72475520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 193294080

約数和(自身を除く): 120818560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 281, 310, 320, 403, 416, 496, 520, 562, 620, 640, 806, 832, 992, 1040, 1124, 1240, 1405, 1612, 1664, 1984, 2015, 2080, 2248, 2480, 2810, 3224, 3653, 3968, 4030, 4160, 4496, 4960, 5620, 6448, 7306, 8060, 8320, 8711, 8992, 9920, 11240, 12896, 14612, 16120, 17422, 17984, 18265, 19840, 22480, 25792, 29224, 32240, 34844, 35968, 36530, 43555, 44960, 51584, 58448, 64480, 69688, 73060, 87110, 89920, 113243, 116896, 128960, 139376, 146120, 174220, 179840, 226486, 233792, 257920, 278752, 292240, 348440, 452972, 467584, 557504, 566215, 584480, 696880, 905944, 1115008, 1132430, 1168960, 1393760, 1811888, 2264860, 2337920, 2787520, 3623776, 4529720, 5575040, 7247552, 9059440, 14495104, 18118880, 36237760, 72475520]

約数ペア:

[(1, 72475520), (2, 36237760), (4, 18118880), (5, 14495104), (8, 9059440), (10, 7247552), (13, 5575040), (16, 4529720), (20, 3623776), (26, 2787520), (31, 2337920), (32, 2264860), (40, 1811888), (52, 1393760), (62, 1168960), (64, 1132430), (65, 1115008), (80, 905944), (104, 696880), (124, 584480), (128, 566215), (130, 557504), (155, 467584), (160, 452972), (208, 348440), (248, 292240), (260, 278752), (281, 257920), (310, 233792), (320, 226486), (403, 179840), (416, 174220), (496, 146120), (520, 139376), (562, 128960), (620, 116896), (640, 113243), (806, 89920), (832, 87110), (992, 73060), (1040, 69688), (1124, 64480), (1240, 58448), (1405, 51584), (1612, 44960), (1664, 43555), (1984, 36530), (2015, 35968), (2080, 34844), (2248, 32240), (2480, 29224), (2810, 25792), (3224, 22480), (3653, 19840), (3968, 18265), (4030, 17984), (4160, 17422), (4496, 16120), (4960, 14612), (5620, 12896), (6448, 11240), (7306, 9920), (8060, 8992), (8320, 8711)]