25868880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 95946240

約数和(自身を除く): 70077360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 61, 62, 72, 76, 80, 90, 93, 95, 114, 120, 122, 124, 144, 152, 155, 171, 180, 183, 186, 190, 228, 240, 244, 248, 279, 285, 304, 305, 310, 342, 360, 366, 372, 380, 456, 465, 488, 496, 549, 558, 570, 589, 610, 620, 684, 720, 732, 744, 760, 855, 912, 915, 930, 976, 1098, 1116, 1140, 1159, 1178, 1220, 1240, 1368, 1395, 1464, 1488, 1520, 1710, 1767, 1830, 1860, 1891, 2196, 2232, 2280, 2318, 2356, 2440, 2480, 2736, 2745, 2790, 2928, 2945, 3420, 3477, 3534, 3660, 3720, 3782, 4392, 4464, 4560, 4636, 4712, 4880, 5301, 5490, 5580, 5673, 5795, 5890, 6840, 6954, 7068, 7320, 7440, 7564, 8784, 8835, 9272, 9424, 9455, 10431, 10602, 10980, 11160, 11346, 11590, 11780, 13680, 13908, 14136, 14640, 15128, 17019, 17385, 17670, 18544, 18910, 20862, 21204, 21960, 22320, 22692, 23180, 23560, 26505, 27816, 28272, 28365, 30256, 34038, 34770, 35340, 35929, 37820, 41724, 42408, 43920, 45384, 46360, 47120, 52155, 53010, 55632, 56730, 68076, 69540, 70680, 71858, 75640, 83448, 84816, 85095, 90768, 92720, 104310, 106020, 107787, 113460, 136152, 139080, 141360, 143716, 151280, 166896, 170190, 179645, 208620, 212040, 215574, 226920, 272304, 278160, 287432, 323361, 340380, 359290, 417240, 424080, 431148, 453840, 538935, 574864, 646722, 680760, 718580, 834480, 862296, 1077870, 1293444, 1361520, 1437160, 1616805, 1724592, 2155740, 2586888, 2874320, 3233610, 4311480, 5173776, 6467220, 8622960, 12934440, 25868880]

約数ペア:

[(1, 25868880), (2, 12934440), (3, 8622960), (4, 6467220), (5, 5173776), (6, 4311480), (8, 3233610), (9, 2874320), (10, 2586888), (12, 2155740), (15, 1724592), (16, 1616805), (18, 1437160), (19, 1361520), (20, 1293444), (24, 1077870), (30, 862296), (31, 834480), (36, 718580), (38, 680760), (40, 646722), (45, 574864), (48, 538935), (57, 453840), (60, 431148), (61, 424080), (62, 417240), (72, 359290), (76, 340380), (80, 323361), (90, 287432), (93, 278160), (95, 272304), (114, 226920), (120, 215574), (122, 212040), (124, 208620), (144, 179645), (152, 170190), (155, 166896), (171, 151280), (180, 143716), (183, 141360), (186, 139080), (190, 136152), (228, 113460), (240, 107787), (244, 106020), (248, 104310), (279, 92720), (285, 90768), (304, 85095), (305, 84816), (310, 83448), (342, 75640), (360, 71858), (366, 70680), (372, 69540), (380, 68076), (456, 56730), (465, 55632), (488, 53010), (496, 52155), (549, 47120), (558, 46360), (570, 45384), (589, 43920), (610, 42408), (620, 41724), (684, 37820), (720, 35929), (732, 35340), (744, 34770), (760, 34038), (855, 30256), (912, 28365), (915, 28272), (930, 27816), (976, 26505), (1098, 23560), (1116, 23180), (1140, 22692), (1159, 22320), (1178, 21960), (1220, 21204), (1240, 20862), (1368, 18910), (1395, 18544), (1464, 17670), (1488, 17385), (1520, 17019), (1710, 15128), (1767, 14640), (1830, 14136), (1860, 13908), (1891, 13680), (2196, 11780), (2232, 11590), (2280, 11346), (2318, 11160), (2356, 10980), (2440, 10602), (2480, 10431), (2736, 9455), (2745, 9424), (2790, 9272), (2928, 8835), (2945, 8784), (3420, 7564), (3477, 7440), (3534, 7320), (3660, 7068), (3720, 6954), (3782, 6840), (4392, 5890), (4464, 5795), (4560, 5673), (4636, 5580), (4712, 5490), (4880, 5301)]