74990720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:926

約数の個数: 128

約数和(自身を含む): 215913600

約数和(自身を除く): 140922880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 881, 896, 1064, 1120, 1216, 1330, 1520, 1762, 2128, 2240, 2432, 2660, 3040, 3524, 4256, 4405, 4480, 5320, 6080, 6167, 7048, 8512, 8810, 10640, 12160, 12334, 14096, 16739, 17024, 17620, 21280, 24668, 28192, 30835, 33478, 35240, 42560, 49336, 56384, 61670, 66956, 70480, 83695, 85120, 98672, 112768, 117173, 123340, 133912, 140960, 167390, 197344, 234346, 246680, 267824, 281920, 334780, 394688, 468692, 493360, 535648, 563840, 585865, 669560, 789376, 937384, 986720, 1071296, 1171730, 1339120, 1874768, 1973440, 2142592, 2343460, 2678240, 3749536, 3946880, 4686920, 5356480, 7499072, 9373840, 10712960, 14998144, 18747680, 37495360, 74990720]

約数ペア:

[(1, 74990720), (2, 37495360), (4, 18747680), (5, 14998144), (7, 10712960), (8, 9373840), (10, 7499072), (14, 5356480), (16, 4686920), (19, 3946880), (20, 3749536), (28, 2678240), (32, 2343460), (35, 2142592), (38, 1973440), (40, 1874768), (56, 1339120), (64, 1171730), (70, 1071296), (76, 986720), (80, 937384), (95, 789376), (112, 669560), (128, 585865), (133, 563840), (140, 535648), (152, 493360), (160, 468692), (190, 394688), (224, 334780), (266, 281920), (280, 267824), (304, 246680), (320, 234346), (380, 197344), (448, 167390), (532, 140960), (560, 133912), (608, 123340), (640, 117173), (665, 112768), (760, 98672), (881, 85120), (896, 83695), (1064, 70480), (1120, 66956), (1216, 61670), (1330, 56384), (1520, 49336), (1762, 42560), (2128, 35240), (2240, 33478), (2432, 30835), (2660, 28192), (3040, 24668), (3524, 21280), (4256, 17620), (4405, 17024), (4480, 16739), (5320, 14096), (6080, 12334), (6167, 12160), (7048, 10640), (8512, 8810)]