15321640880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67891}}^1$

素因数の和:67955

約数の個数: 160

約数和(自身を含む): 45258436608

約数和(自身を除く): 29936795728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5642, 6448, 7280, 8060, 8680, 11284, 14105, 16120, 17360, 22568, 28210, 32240, 45136, 56420, 67891, 112840, 135782, 225680, 271564, 339455, 475237, 543128, 678910, 882583, 950474, 1086256, 1357820, 1765166, 1900948, 2104621, 2376185, 2715640, 3530332, 3801896, 4209242, 4412915, 4752370, 5431280, 6178081, 7060664, 7603792, 8418484, 8825830, 9504740, 10523105, 12356162, 14121328, 14732347, 16836968, 17651660, 19009480, 21046210, 24712324, 27360073, 29464694, 30890405, 33673936, 35303320, 38018960, 42092420, 49424648, 54720146, 58929388, 61780810, 70606640, 73661735, 84184840, 98849296, 109440292, 117858776, 123561620, 136800365, 147323470, 168369680, 191520511, 218880584, 235717552, 247123240, 273600730, 294646940, 383041022, 437761168, 494246480, 547201460, 589293880, 766082044, 957602555, 1094402920, 1178587760, 1532164088, 1915205110, 2188805840, 3064328176, 3830410220, 7660820440, 15321640880]

約数ペア:

[(1, 15321640880), (2, 7660820440), (4, 3830410220), (5, 3064328176), (7, 2188805840), (8, 1915205110), (10, 1532164088), (13, 1178587760), (14, 1094402920), (16, 957602555), (20, 766082044), (26, 589293880), (28, 547201460), (31, 494246480), (35, 437761168), (40, 383041022), (52, 294646940), (56, 273600730), (62, 247123240), (65, 235717552), (70, 218880584), (80, 191520511), (91, 168369680), (104, 147323470), (112, 136800365), (124, 123561620), (130, 117858776), (140, 109440292), (155, 98849296), (182, 84184840), (208, 73661735), (217, 70606640), (248, 61780810), (260, 58929388), (280, 54720146), (310, 49424648), (364, 42092420), (403, 38018960), (434, 35303320), (455, 33673936), (496, 30890405), (520, 29464694), (560, 27360073), (620, 24712324), (728, 21046210), (806, 19009480), (868, 17651660), (910, 16836968), (1040, 14732347), (1085, 14121328), (1240, 12356162), (1456, 10523105), (1612, 9504740), (1736, 8825830), (1820, 8418484), (2015, 7603792), (2170, 7060664), (2480, 6178081), (2821, 5431280), (3224, 4752370), (3472, 4412915), (3640, 4209242), (4030, 3801896), (4340, 3530332), (5642, 2715640), (6448, 2376185), (7280, 2104621), (8060, 1900948), (8680, 1765166), (11284, 1357820), (14105, 1086256), (16120, 950474), (17360, 882583), (22568, 678910), (28210, 543128), (32240, 475237), (45136, 339455), (56420, 271564), (67891, 225680), (112840, 135782)]