665562560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 168

約数和(自身を含む): 1775984256

約数和(自身を除く): 1110421696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 320, 338, 397, 403, 416, 496, 520, 620, 676, 794, 806, 832, 845, 992, 1040, 1240, 1352, 1588, 1612, 1690, 1984, 1985, 2015, 2080, 2480, 2704, 3176, 3224, 3380, 3970, 4030, 4160, 4960, 5161, 5239, 5408, 6352, 6448, 6760, 7940, 8060, 9920, 10322, 10478, 10816, 12307, 12704, 12896, 13520, 15880, 16120, 20644, 20956, 24614, 25408, 25792, 25805, 26195, 27040, 31760, 32240, 41288, 41912, 49228, 51610, 52390, 54080, 61535, 63520, 64480, 67093, 82576, 83824, 98456, 103220, 104780, 123070, 127040, 128960, 134186, 159991, 165152, 167648, 196912, 206440, 209560, 246140, 268372, 319982, 330304, 335296, 335465, 393824, 412880, 419120, 492280, 536744, 639964, 670930, 787648, 799955, 825760, 838240, 984560, 1073488, 1279928, 1341860, 1599910, 1651520, 1676480, 1969120, 2079883, 2146976, 2559856, 2683720, 3199820, 3938240, 4159766, 4293952, 5119712, 5367440, 6399640, 8319532, 10239424, 10399415, 10734880, 12799280, 16639064, 20798830, 21469760, 25598560, 33278128, 41597660, 51197120, 66556256, 83195320, 133112512, 166390640, 332781280, 665562560]

約数ペア:

[(1, 665562560), (2, 332781280), (4, 166390640), (5, 133112512), (8, 83195320), (10, 66556256), (13, 51197120), (16, 41597660), (20, 33278128), (26, 25598560), (31, 21469760), (32, 20798830), (40, 16639064), (52, 12799280), (62, 10734880), (64, 10399415), (65, 10239424), (80, 8319532), (104, 6399640), (124, 5367440), (130, 5119712), (155, 4293952), (160, 4159766), (169, 3938240), (208, 3199820), (248, 2683720), (260, 2559856), (310, 2146976), (320, 2079883), (338, 1969120), (397, 1676480), (403, 1651520), (416, 1599910), (496, 1341860), (520, 1279928), (620, 1073488), (676, 984560), (794, 838240), (806, 825760), (832, 799955), (845, 787648), (992, 670930), (1040, 639964), (1240, 536744), (1352, 492280), (1588, 419120), (1612, 412880), (1690, 393824), (1984, 335465), (1985, 335296), (2015, 330304), (2080, 319982), (2480, 268372), (2704, 246140), (3176, 209560), (3224, 206440), (3380, 196912), (3970, 167648), (4030, 165152), (4160, 159991), (4960, 134186), (5161, 128960), (5239, 127040), (5408, 123070), (6352, 104780), (6448, 103220), (6760, 98456), (7940, 83824), (8060, 82576), (9920, 67093), (10322, 64480), (10478, 63520), (10816, 61535), (12307, 54080), (12704, 52390), (12896, 51610), (13520, 49228), (15880, 41912), (16120, 41288), (20644, 32240), (20956, 31760), (24614, 27040), (25408, 26195), (25792, 25805)]