74851840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4177}}^1$

素因数の和:4207

約数の個数: 80

約数和(自身を含む): 205156512

約数和(自身を除く): 130304672

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, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4177, 4480, 8354, 8960, 16708, 17920, 20885, 29239, 33416, 41770, 58478, 66832, 83540, 116956, 133664, 146195, 167080, 233912, 267328, 292390, 334160, 467824, 534656, 584780, 668320, 935648, 1069312, 1169560, 1336640, 1871296, 2138624, 2339120, 2673280, 3742592, 4678240, 5346560, 7485184, 9356480, 10693120, 14970368, 18712960, 37425920, 74851840]

約数ペア:

[(1, 74851840), (2, 37425920), (4, 18712960), (5, 14970368), (7, 10693120), (8, 9356480), (10, 7485184), (14, 5346560), (16, 4678240), (20, 3742592), (28, 2673280), (32, 2339120), (35, 2138624), (40, 1871296), (56, 1336640), (64, 1169560), (70, 1069312), (80, 935648), (112, 668320), (128, 584780), (140, 534656), (160, 467824), (224, 334160), (256, 292390), (280, 267328), (320, 233912), (448, 167080), (512, 146195), (560, 133664), (640, 116956), (896, 83540), (1120, 66832), (1280, 58478), (1792, 41770), (2240, 33416), (2560, 29239), (3584, 20885), (4177, 17920), (4480, 16708), (8354, 8960)]