284485760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 128

約数和(自身を含む): 756725760

約数和(自身を除く): 472240000

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, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1103, 1240, 1612, 1664, 1984, 2015, 2080, 2206, 2480, 3224, 3968, 4030, 4160, 4412, 4960, 5515, 6448, 8060, 8320, 8824, 9920, 11030, 12896, 14339, 16120, 17648, 19840, 22060, 25792, 28678, 32240, 34193, 35296, 44120, 51584, 57356, 64480, 68386, 70592, 71695, 88240, 114712, 128960, 136772, 141184, 143390, 170965, 176480, 229424, 257920, 273544, 286780, 341930, 352960, 444509, 458848, 547088, 573560, 683860, 705920, 889018, 917696, 1094176, 1147120, 1367720, 1778036, 1835392, 2188352, 2222545, 2294240, 2735440, 3556072, 4376704, 4445090, 4588480, 5470880, 7112144, 8890180, 9176960, 10941760, 14224288, 17780360, 21883520, 28448576, 35560720, 56897152, 71121440, 142242880, 284485760]

約数ペア:

[(1, 284485760), (2, 142242880), (4, 71121440), (5, 56897152), (8, 35560720), (10, 28448576), (13, 21883520), (16, 17780360), (20, 14224288), (26, 10941760), (31, 9176960), (32, 8890180), (40, 7112144), (52, 5470880), (62, 4588480), (64, 4445090), (65, 4376704), (80, 3556072), (104, 2735440), (124, 2294240), (128, 2222545), (130, 2188352), (155, 1835392), (160, 1778036), (208, 1367720), (248, 1147120), (260, 1094176), (310, 917696), (320, 889018), (403, 705920), (416, 683860), (496, 573560), (520, 547088), (620, 458848), (640, 444509), (806, 352960), (832, 341930), (992, 286780), (1040, 273544), (1103, 257920), (1240, 229424), (1612, 176480), (1664, 170965), (1984, 143390), (2015, 141184), (2080, 136772), (2206, 128960), (2480, 114712), (3224, 88240), (3968, 71695), (4030, 70592), (4160, 68386), (4412, 64480), (4960, 57356), (5515, 51584), (6448, 44120), (8060, 35296), (8320, 34193), (8824, 32240), (9920, 28678), (11030, 25792), (12896, 22060), (14339, 19840), (16120, 17648)]