161641480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 493355520

約数和(自身を除く): 331714040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 121, 130, 140, 143, 154, 182, 220, 242, 260, 280, 286, 308, 364, 367, 385, 440, 455, 484, 520, 572, 605, 616, 715, 728, 734, 770, 847, 910, 968, 1001, 1144, 1210, 1430, 1468, 1540, 1573, 1694, 1820, 1835, 2002, 2420, 2569, 2860, 2936, 3080, 3146, 3388, 3640, 3670, 4004, 4037, 4235, 4771, 4840, 5005, 5138, 5720, 6292, 6776, 7340, 7865, 8008, 8074, 8470, 9542, 10010, 10276, 11011, 12584, 12845, 14680, 15730, 16148, 16940, 19084, 20020, 20185, 20552, 22022, 23855, 25690, 28259, 31460, 32296, 33397, 33880, 38168, 40040, 40370, 44044, 44407, 47710, 51380, 52481, 55055, 56518, 62920, 66794, 80740, 88088, 88814, 95420, 102760, 104962, 110110, 113036, 133588, 141295, 161480, 166985, 177628, 190840, 209924, 220220, 222035, 226072, 262405, 267176, 282590, 310849, 333970, 355256, 367367, 419848, 440440, 444070, 524810, 565180, 577291, 621698, 667940, 734734, 888140, 1049620, 1130360, 1154582, 1243396, 1335880, 1469468, 1554245, 1776280, 1836835, 2099240, 2309164, 2486792, 2886455, 2938936, 3108490, 3673670, 4041037, 4618328, 5772910, 6216980, 7347340, 8082074, 11545820, 12433960, 14694680, 16164148, 20205185, 23091640, 32328296, 40410370, 80820740, 161641480]

約数ペア:

[(1, 161641480), (2, 80820740), (4, 40410370), (5, 32328296), (7, 23091640), (8, 20205185), (10, 16164148), (11, 14694680), (13, 12433960), (14, 11545820), (20, 8082074), (22, 7347340), (26, 6216980), (28, 5772910), (35, 4618328), (40, 4041037), (44, 3673670), (52, 3108490), (55, 2938936), (56, 2886455), (65, 2486792), (70, 2309164), (77, 2099240), (88, 1836835), (91, 1776280), (104, 1554245), (110, 1469468), (121, 1335880), (130, 1243396), (140, 1154582), (143, 1130360), (154, 1049620), (182, 888140), (220, 734734), (242, 667940), (260, 621698), (280, 577291), (286, 565180), (308, 524810), (364, 444070), (367, 440440), (385, 419848), (440, 367367), (455, 355256), (484, 333970), (520, 310849), (572, 282590), (605, 267176), (616, 262405), (715, 226072), (728, 222035), (734, 220220), (770, 209924), (847, 190840), (910, 177628), (968, 166985), (1001, 161480), (1144, 141295), (1210, 133588), (1430, 113036), (1468, 110110), (1540, 104962), (1573, 102760), (1694, 95420), (1820, 88814), (1835, 88088), (2002, 80740), (2420, 66794), (2569, 62920), (2860, 56518), (2936, 55055), (3080, 52481), (3146, 51380), (3388, 47710), (3640, 44407), (3670, 44044), (4004, 40370), (4037, 40040), (4235, 38168), (4771, 33880), (4840, 33397), (5005, 32296), (5138, 31460), (5720, 28259), (6292, 25690), (6776, 23855), (7340, 22022), (7865, 20552), (8008, 20185), (8074, 20020), (8470, 19084), (9542, 16940), (10010, 16148), (10276, 15730), (11011, 14680), (12584, 12845)]