1971840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 6854400

約数和(自身を除く): 4882560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 79, 80, 96, 104, 120, 128, 130, 156, 158, 160, 192, 195, 208, 237, 240, 260, 312, 316, 320, 384, 390, 395, 416, 474, 480, 520, 624, 632, 640, 780, 790, 832, 948, 960, 1027, 1040, 1185, 1248, 1264, 1560, 1580, 1664, 1896, 1920, 2054, 2080, 2370, 2496, 2528, 3081, 3120, 3160, 3792, 4108, 4160, 4740, 4992, 5056, 5135, 6162, 6240, 6320, 7584, 8216, 8320, 9480, 10112, 10270, 12324, 12480, 12640, 15168, 15405, 16432, 18960, 20540, 24648, 24960, 25280, 30336, 30810, 32864, 37920, 41080, 49296, 50560, 61620, 65728, 75840, 82160, 98592, 123240, 131456, 151680, 164320, 197184, 246480, 328640, 394368, 492960, 657280, 985920, 1971840]

約数ペア:

[(1, 1971840), (2, 985920), (3, 657280), (4, 492960), (5, 394368), (6, 328640), (8, 246480), (10, 197184), (12, 164320), (13, 151680), (15, 131456), (16, 123240), (20, 98592), (24, 82160), (26, 75840), (30, 65728), (32, 61620), (39, 50560), (40, 49296), (48, 41080), (52, 37920), (60, 32864), (64, 30810), (65, 30336), (78, 25280), (79, 24960), (80, 24648), (96, 20540), (104, 18960), (120, 16432), (128, 15405), (130, 15168), (156, 12640), (158, 12480), (160, 12324), (192, 10270), (195, 10112), (208, 9480), (237, 8320), (240, 8216), (260, 7584), (312, 6320), (316, 6240), (320, 6162), (384, 5135), (390, 5056), (395, 4992), (416, 4740), (474, 4160), (480, 4108), (520, 3792), (624, 3160), (632, 3120), (640, 3081), (780, 2528), (790, 2496), (832, 2370), (948, 2080), (960, 2054), (1027, 1920), (1040, 1896), (1185, 1664), (1248, 1580), (1264, 1560)]