165812800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3343}}^1$

素因数の和:3396

約数の個数: 84

約数和(自身を含む): 421290496

約数和(自身を除く): 255477696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 3343, 4960, 6200, 6686, 9920, 12400, 13372, 16715, 24800, 26744, 33430, 49600, 53488, 66860, 83575, 103633, 106976, 133720, 167150, 207266, 213952, 267440, 334300, 414532, 518165, 534880, 668600, 829064, 1036330, 1069760, 1337200, 1658128, 2072660, 2590825, 2674400, 3316256, 4145320, 5181650, 5348800, 6632512, 8290640, 10363300, 16581280, 20726600, 33162560, 41453200, 82906400, 165812800]

約数ペア:

[(1, 165812800), (2, 82906400), (4, 41453200), (5, 33162560), (8, 20726600), (10, 16581280), (16, 10363300), (20, 8290640), (25, 6632512), (31, 5348800), (32, 5181650), (40, 4145320), (50, 3316256), (62, 2674400), (64, 2590825), (80, 2072660), (100, 1658128), (124, 1337200), (155, 1069760), (160, 1036330), (200, 829064), (248, 668600), (310, 534880), (320, 518165), (400, 414532), (496, 334300), (620, 267440), (775, 213952), (800, 207266), (992, 167150), (1240, 133720), (1550, 106976), (1600, 103633), (1984, 83575), (2480, 66860), (3100, 53488), (3343, 49600), (4960, 33430), (6200, 26744), (6686, 24800), (9920, 16715), (12400, 13372)]