77980560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 240

約数和(自身を含む): 296856000

約数和(自身を除く): 218875440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 349, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 698, 735, 760, 784, 798, 840, 912, 931, 980, 1047, 1064, 1140, 1176, 1330, 1396, 1470, 1520, 1596, 1680, 1745, 1862, 1960, 1995, 2094, 2128, 2280, 2352, 2443, 2660, 2792, 2793, 2940, 3192, 3490, 3724, 3920, 3990, 4188, 4560, 4655, 4886, 5235, 5320, 5584, 5586, 5880, 6384, 6631, 6980, 7329, 7448, 7980, 8376, 9310, 9772, 10470, 10640, 11172, 11760, 12215, 13262, 13960, 13965, 14658, 14896, 15960, 16752, 17101, 18620, 19544, 19893, 20940, 22344, 24430, 26524, 27920, 27930, 29316, 31920, 33155, 34202, 36645, 37240, 39088, 39786, 41880, 44688, 46417, 48860, 51303, 53048, 55860, 58632, 66310, 68404, 73290, 74480, 79572, 83760, 85505, 92834, 97720, 99465, 102606, 106096, 111720, 117264, 132620, 136808, 139251, 146580, 159144, 171010, 185668, 195440, 198930, 205212, 223440, 232085, 256515, 265240, 273616, 278502, 293160, 318288, 324919, 342020, 371336, 397860, 410424, 464170, 513030, 530480, 557004, 586320, 649838, 684040, 696255, 742672, 795720, 820848, 928340, 974757, 1026060, 1114008, 1299676, 1368080, 1392510, 1591440, 1624595, 1856680, 1949514, 2052120, 2228016, 2599352, 2785020, 3249190, 3713360, 3899028, 4104240, 4873785, 5198704, 5570040, 6498380, 7798056, 9747570, 11140080, 12996760, 15596112, 19495140, 25993520, 38990280, 77980560]

約数ペア:

[(1, 77980560), (2, 38990280), (3, 25993520), (4, 19495140), (5, 15596112), (6, 12996760), (7, 11140080), (8, 9747570), (10, 7798056), (12, 6498380), (14, 5570040), (15, 5198704), (16, 4873785), (19, 4104240), (20, 3899028), (21, 3713360), (24, 3249190), (28, 2785020), (30, 2599352), (35, 2228016), (38, 2052120), (40, 1949514), (42, 1856680), (48, 1624595), (49, 1591440), (56, 1392510), (57, 1368080), (60, 1299676), (70, 1114008), (76, 1026060), (80, 974757), (84, 928340), (95, 820848), (98, 795720), (105, 742672), (112, 696255), (114, 684040), (120, 649838), (133, 586320), (140, 557004), (147, 530480), (152, 513030), (168, 464170), (190, 410424), (196, 397860), (210, 371336), (228, 342020), (240, 324919), (245, 318288), (266, 293160), (280, 278502), (285, 273616), (294, 265240), (304, 256515), (336, 232085), (349, 223440), (380, 205212), (392, 198930), (399, 195440), (420, 185668), (456, 171010), (490, 159144), (532, 146580), (560, 139251), (570, 136808), (588, 132620), (665, 117264), (698, 111720), (735, 106096), (760, 102606), (784, 99465), (798, 97720), (840, 92834), (912, 85505), (931, 83760), (980, 79572), (1047, 74480), (1064, 73290), (1140, 68404), (1176, 66310), (1330, 58632), (1396, 55860), (1470, 53048), (1520, 51303), (1596, 48860), (1680, 46417), (1745, 44688), (1862, 41880), (1960, 39786), (1995, 39088), (2094, 37240), (2128, 36645), (2280, 34202), (2352, 33155), (2443, 31920), (2660, 29316), (2792, 27930), (2793, 27920), (2940, 26524), (3192, 24430), (3490, 22344), (3724, 20940), (3920, 19893), (3990, 19544), (4188, 18620), (4560, 17101), (4655, 16752), (4886, 15960), (5235, 14896), (5320, 14658), (5584, 13965), (5586, 13960), (5880, 13262), (6384, 12215), (6631, 11760), (6980, 11172), (7329, 10640), (7448, 10470), (7980, 9772), (8376, 9310)]