31090080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 192

約数和(自身を含む): 118056960

約数和(自身を除く): 86966880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 487, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 974, 1064, 1120, 1140, 1330, 1461, 1520, 1596, 1680, 1824, 1948, 1995, 2128, 2280, 2435, 2660, 2922, 3040, 3192, 3360, 3409, 3896, 3990, 4256, 4560, 4870, 5320, 5844, 6384, 6818, 7305, 7792, 7980, 9120, 9253, 9740, 10227, 10640, 11688, 12768, 13636, 14610, 15584, 15960, 17045, 18506, 19480, 20454, 21280, 23376, 27272, 27759, 29220, 31920, 34090, 37012, 38960, 40908, 46265, 46752, 51135, 54544, 55518, 58440, 63840, 64771, 68180, 74024, 77920, 81816, 92530, 102270, 109088, 111036, 116880, 129542, 136360, 138795, 148048, 163632, 185060, 194313, 204540, 222072, 233760, 259084, 272720, 277590, 296096, 323855, 327264, 370120, 388626, 409080, 444144, 518168, 545440, 555180, 647710, 740240, 777252, 818160, 888288, 971565, 1036336, 1110360, 1295420, 1480480, 1554504, 1636320, 1943130, 2072672, 2220720, 2590840, 3109008, 3886260, 4441440, 5181680, 6218016, 7772520, 10363360, 15545040, 31090080]

約数ペア:

[(1, 31090080), (2, 15545040), (3, 10363360), (4, 7772520), (5, 6218016), (6, 5181680), (7, 4441440), (8, 3886260), (10, 3109008), (12, 2590840), (14, 2220720), (15, 2072672), (16, 1943130), (19, 1636320), (20, 1554504), (21, 1480480), (24, 1295420), (28, 1110360), (30, 1036336), (32, 971565), (35, 888288), (38, 818160), (40, 777252), (42, 740240), (48, 647710), (56, 555180), (57, 545440), (60, 518168), (70, 444144), (76, 409080), (80, 388626), (84, 370120), (95, 327264), (96, 323855), (105, 296096), (112, 277590), (114, 272720), (120, 259084), (133, 233760), (140, 222072), (152, 204540), (160, 194313), (168, 185060), (190, 163632), (210, 148048), (224, 138795), (228, 136360), (240, 129542), (266, 116880), (280, 111036), (285, 109088), (304, 102270), (336, 92530), (380, 81816), (399, 77920), (420, 74024), (456, 68180), (480, 64771), (487, 63840), (532, 58440), (560, 55518), (570, 54544), (608, 51135), (665, 46752), (672, 46265), (760, 40908), (798, 38960), (840, 37012), (912, 34090), (974, 31920), (1064, 29220), (1120, 27759), (1140, 27272), (1330, 23376), (1461, 21280), (1520, 20454), (1596, 19480), (1680, 18506), (1824, 17045), (1948, 15960), (1995, 15584), (2128, 14610), (2280, 13636), (2435, 12768), (2660, 11688), (2922, 10640), (3040, 10227), (3192, 9740), (3360, 9253), (3409, 9120), (3896, 7980), (3990, 7792), (4256, 7305), (4560, 6818), (4870, 6384), (5320, 5844)]