638591520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1480

約数の個数: 288

約数和(自身を含む): 2464862400

約数和(自身を除く): 1826270880

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, 49, 56, 57, 60, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 133, 140, 147, 152, 160, 168, 190, 196, 210, 224, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 480, 490, 532, 560, 570, 588, 608, 665, 672, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1120, 1140, 1176, 1330, 1429, 1470, 1520, 1568, 1596, 1680, 1824, 1862, 1960, 1995, 2128, 2280, 2352, 2660, 2793, 2858, 2940, 3040, 3192, 3360, 3724, 3920, 3990, 4256, 4287, 4560, 4655, 4704, 5320, 5586, 5716, 5880, 6384, 7145, 7448, 7840, 7980, 8574, 9120, 9310, 10003, 10640, 11172, 11432, 11760, 12768, 13965, 14290, 14896, 15960, 17148, 18620, 20006, 21280, 21435, 22344, 22864, 23520, 27151, 27930, 28580, 29792, 30009, 31920, 34296, 37240, 40012, 42870, 44688, 45728, 50015, 54302, 55860, 57160, 60018, 63840, 68592, 70021, 74480, 80024, 81453, 85740, 89376, 100030, 108604, 111720, 114320, 120036, 135755, 137184, 140042, 148960, 150045, 160048, 162906, 171480, 190057, 200060, 210063, 217208, 223440, 228640, 240072, 271510, 280084, 300090, 320096, 325812, 342960, 350105, 380114, 400120, 407265, 420126, 434416, 446880, 480144, 543020, 560168, 570171, 600180, 651624, 685920, 700210, 760228, 800240, 814530, 840252, 868832, 950285, 960288, 1050315, 1086040, 1120336, 1140342, 1200360, 1303248, 1330399, 1400420, 1520456, 1600480, 1629060, 1680504, 1900570, 2100630, 2172080, 2240672, 2280684, 2400720, 2606496, 2660798, 2800840, 2850855, 3040912, 3258120, 3361008, 3801140, 3991197, 4201260, 4344160, 4561368, 4801440, 5321596, 5601680, 5701710, 6081824, 6516240, 6651995, 6722016, 7602280, 7982394, 8402520, 9122736, 10643192, 11203360, 11403420, 13032480, 13303990, 15204560, 15964788, 16805040, 18245472, 19955985, 21286384, 22806840, 26607980, 30409120, 31929576, 33610080, 39911970, 42572768, 45613680, 53215960, 63859152, 79823940, 91227360, 106431920, 127718304, 159647880, 212863840, 319295760, 638591520]

約数ペア:

[(1, 638591520), (2, 319295760), (3, 212863840), (4, 159647880), (5, 127718304), (6, 106431920), (7, 91227360), (8, 79823940), (10, 63859152), (12, 53215960), (14, 45613680), (15, 42572768), (16, 39911970), (19, 33610080), (20, 31929576), (21, 30409120), (24, 26607980), (28, 22806840), (30, 21286384), (32, 19955985), (35, 18245472), (38, 16805040), (40, 15964788), (42, 15204560), (48, 13303990), (49, 13032480), (56, 11403420), (57, 11203360), (60, 10643192), (70, 9122736), (76, 8402520), (80, 7982394), (84, 7602280), (95, 6722016), (96, 6651995), (98, 6516240), (105, 6081824), (112, 5701710), (114, 5601680), (120, 5321596), (133, 4801440), (140, 4561368), (147, 4344160), (152, 4201260), (160, 3991197), (168, 3801140), (190, 3361008), (196, 3258120), (210, 3040912), (224, 2850855), (228, 2800840), (240, 2660798), (245, 2606496), (266, 2400720), (280, 2280684), (285, 2240672), (294, 2172080), (304, 2100630), (336, 1900570), (380, 1680504), (392, 1629060), (399, 1600480), (420, 1520456), (456, 1400420), (480, 1330399), (490, 1303248), (532, 1200360), (560, 1140342), (570, 1120336), (588, 1086040), (608, 1050315), (665, 960288), (672, 950285), (735, 868832), (760, 840252), (784, 814530), (798, 800240), (840, 760228), (912, 700210), (931, 685920), (980, 651624), (1064, 600180), (1120, 570171), (1140, 560168), (1176, 543020), (1330, 480144), (1429, 446880), (1470, 434416), (1520, 420126), (1568, 407265), (1596, 400120), (1680, 380114), (1824, 350105), (1862, 342960), (1960, 325812), (1995, 320096), (2128, 300090), (2280, 280084), (2352, 271510), (2660, 240072), (2793, 228640), (2858, 223440), (2940, 217208), (3040, 210063), (3192, 200060), (3360, 190057), (3724, 171480), (3920, 162906), (3990, 160048), (4256, 150045), (4287, 148960), (4560, 140042), (4655, 137184), (4704, 135755), (5320, 120036), (5586, 114320), (5716, 111720), (5880, 108604), (6384, 100030), (7145, 89376), (7448, 85740), (7840, 81453), (7980, 80024), (8574, 74480), (9120, 70021), (9310, 68592), (10003, 63840), (10640, 60018), (11172, 57160), (11432, 55860), (11760, 54302), (12768, 50015), (13965, 45728), (14290, 44688), (14896, 42870), (15960, 40012), (17148, 37240), (18620, 34296), (20006, 31920), (21280, 30009), (21435, 29792), (22344, 28580), (22864, 27930), (23520, 27151)]