164977280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 431827200

約数和(自身を除く): 266849920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 251, 260, 316, 320, 395, 416, 502, 520, 632, 640, 790, 832, 1004, 1027, 1040, 1255, 1264, 1580, 1664, 2008, 2054, 2080, 2510, 2528, 3160, 3263, 4016, 4108, 4160, 5020, 5056, 5135, 6320, 6526, 8032, 8216, 8320, 10040, 10112, 10270, 12640, 13052, 16064, 16315, 16432, 19829, 20080, 20540, 25280, 26104, 32128, 32630, 32864, 39658, 40160, 41080, 50560, 52208, 65260, 65728, 79316, 80320, 82160, 99145, 104416, 130520, 131456, 158632, 160640, 164320, 198290, 208832, 257777, 261040, 317264, 328640, 396580, 417664, 515554, 522080, 634528, 657280, 793160, 1031108, 1044160, 1269056, 1288885, 1586320, 2062216, 2088320, 2538112, 2577770, 3172640, 4124432, 5155540, 6345280, 8248864, 10311080, 12690560, 16497728, 20622160, 32995456, 41244320, 82488640, 164977280]

約数ペア:

[(1, 164977280), (2, 82488640), (4, 41244320), (5, 32995456), (8, 20622160), (10, 16497728), (13, 12690560), (16, 10311080), (20, 8248864), (26, 6345280), (32, 5155540), (40, 4124432), (52, 3172640), (64, 2577770), (65, 2538112), (79, 2088320), (80, 2062216), (104, 1586320), (128, 1288885), (130, 1269056), (158, 1044160), (160, 1031108), (208, 793160), (251, 657280), (260, 634528), (316, 522080), (320, 515554), (395, 417664), (416, 396580), (502, 328640), (520, 317264), (632, 261040), (640, 257777), (790, 208832), (832, 198290), (1004, 164320), (1027, 160640), (1040, 158632), (1255, 131456), (1264, 130520), (1580, 104416), (1664, 99145), (2008, 82160), (2054, 80320), (2080, 79316), (2510, 65728), (2528, 65260), (3160, 52208), (3263, 50560), (4016, 41080), (4108, 40160), (4160, 39658), (5020, 32864), (5056, 32630), (5135, 32128), (6320, 26104), (6526, 25280), (8032, 20540), (8216, 20080), (8320, 19829), (10040, 16432), (10112, 16315), (10270, 16064), (12640, 13052)]