681894800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 1859880960

約数和(自身を除く): 1177986160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 47, 50, 76, 80, 83, 92, 94, 95, 100, 115, 152, 166, 184, 188, 190, 200, 230, 235, 304, 332, 368, 376, 380, 400, 415, 437, 460, 470, 475, 575, 664, 752, 760, 830, 874, 893, 920, 940, 950, 1081, 1150, 1175, 1328, 1520, 1577, 1660, 1748, 1786, 1840, 1880, 1900, 1909, 2075, 2162, 2185, 2300, 2350, 3154, 3320, 3496, 3572, 3760, 3800, 3818, 3901, 4150, 4324, 4370, 4465, 4600, 4700, 5405, 6308, 6640, 6992, 7144, 7600, 7636, 7802, 7885, 8300, 8648, 8740, 8930, 9200, 9400, 9545, 10810, 10925, 12616, 14288, 15272, 15604, 15770, 16600, 17296, 17480, 17860, 18800, 19090, 19505, 20539, 21620, 21850, 22325, 25232, 27025, 30544, 31208, 31540, 33200, 34960, 35720, 36271, 38180, 39010, 39425, 41078, 43240, 43700, 44650, 47725, 54050, 62416, 63080, 71440, 72542, 74119, 76360, 78020, 78850, 82156, 86480, 87400, 89300, 89723, 95450, 97525, 102695, 108100, 126160, 145084, 148238, 152720, 156040, 157700, 164312, 174800, 178600, 179446, 181355, 190900, 195050, 205390, 216200, 290168, 296476, 312080, 315400, 328624, 357200, 358892, 362710, 370595, 381800, 390100, 410780, 432400, 448615, 513475, 580336, 592952, 630800, 717784, 725420, 741190, 763600, 780200, 821560, 897230, 906775, 1026950, 1185904, 1435568, 1450840, 1482380, 1560400, 1643120, 1704737, 1794460, 1813550, 1852975, 2053900, 2243075, 2901680, 2964760, 3409474, 3588920, 3627100, 3705950, 4107800, 4486150, 5929520, 6818948, 7177840, 7254200, 7411900, 8215600, 8523685, 8972300, 13637896, 14508400, 14823800, 17047370, 17944600, 27275792, 29647600, 34094740, 35889200, 42618425, 68189480, 85236850, 136378960, 170473700, 340947400, 681894800]

約数ペア:

[(1, 681894800), (2, 340947400), (4, 170473700), (5, 136378960), (8, 85236850), (10, 68189480), (16, 42618425), (19, 35889200), (20, 34094740), (23, 29647600), (25, 27275792), (38, 17944600), (40, 17047370), (46, 14823800), (47, 14508400), (50, 13637896), (76, 8972300), (80, 8523685), (83, 8215600), (92, 7411900), (94, 7254200), (95, 7177840), (100, 6818948), (115, 5929520), (152, 4486150), (166, 4107800), (184, 3705950), (188, 3627100), (190, 3588920), (200, 3409474), (230, 2964760), (235, 2901680), (304, 2243075), (332, 2053900), (368, 1852975), (376, 1813550), (380, 1794460), (400, 1704737), (415, 1643120), (437, 1560400), (460, 1482380), (470, 1450840), (475, 1435568), (575, 1185904), (664, 1026950), (752, 906775), (760, 897230), (830, 821560), (874, 780200), (893, 763600), (920, 741190), (940, 725420), (950, 717784), (1081, 630800), (1150, 592952), (1175, 580336), (1328, 513475), (1520, 448615), (1577, 432400), (1660, 410780), (1748, 390100), (1786, 381800), (1840, 370595), (1880, 362710), (1900, 358892), (1909, 357200), (2075, 328624), (2162, 315400), (2185, 312080), (2300, 296476), (2350, 290168), (3154, 216200), (3320, 205390), (3496, 195050), (3572, 190900), (3760, 181355), (3800, 179446), (3818, 178600), (3901, 174800), (4150, 164312), (4324, 157700), (4370, 156040), (4465, 152720), (4600, 148238), (4700, 145084), (5405, 126160), (6308, 108100), (6640, 102695), (6992, 97525), (7144, 95450), (7600, 89723), (7636, 89300), (7802, 87400), (7885, 86480), (8300, 82156), (8648, 78850), (8740, 78020), (8930, 76360), (9200, 74119), (9400, 72542), (9545, 71440), (10810, 63080), (10925, 62416), (12616, 54050), (14288, 47725), (15272, 44650), (15604, 43700), (15770, 43240), (16600, 41078), (17296, 39425), (17480, 39010), (17860, 38180), (18800, 36271), (19090, 35720), (19505, 34960), (20539, 33200), (21620, 31540), (21850, 31208), (22325, 30544), (25232, 27025)]