291233520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 240

約数和(自身を含む): 1049412000

約数和(自身を除く): 758178480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 61, 72, 76, 80, 90, 95, 114, 120, 122, 144, 152, 171, 180, 183, 190, 228, 240, 244, 285, 304, 305, 342, 349, 360, 366, 380, 456, 488, 549, 570, 610, 684, 698, 720, 732, 760, 855, 912, 915, 976, 1047, 1098, 1140, 1159, 1220, 1368, 1396, 1464, 1520, 1710, 1745, 1830, 2094, 2196, 2280, 2318, 2440, 2736, 2745, 2792, 2928, 3141, 3420, 3477, 3490, 3660, 4188, 4392, 4560, 4636, 4880, 5235, 5490, 5584, 5795, 6282, 6631, 6840, 6954, 6980, 7320, 8376, 8784, 9272, 10431, 10470, 10980, 11590, 12564, 13262, 13680, 13908, 13960, 14640, 15705, 16752, 17385, 18544, 19893, 20862, 20940, 21289, 21960, 23180, 25128, 26524, 27816, 27920, 31410, 33155, 34770, 39786, 41724, 41880, 42578, 43920, 46360, 50256, 52155, 53048, 55632, 59679, 62820, 63867, 66310, 69540, 79572, 83448, 83760, 85156, 92720, 99465, 104310, 106096, 106445, 119358, 125640, 127734, 132620, 139080, 159144, 166896, 170312, 191601, 198930, 208620, 212890, 238716, 251280, 255468, 265240, 278160, 298395, 318288, 319335, 340624, 383202, 397860, 404491, 417240, 425780, 477432, 510936, 530480, 596790, 638670, 766404, 795720, 808982, 834480, 851560, 954864, 958005, 1021872, 1193580, 1213473, 1277340, 1532808, 1591440, 1617964, 1703120, 1916010, 2022455, 2387160, 2426946, 2554680, 3065616, 3235928, 3640419, 3832020, 4044910, 4774320, 4853892, 5109360, 6067365, 6471856, 7280838, 7664040, 8089820, 9707784, 12134730, 14561676, 15328080, 16179640, 18202095, 19415568, 24269460, 29123352, 32359280, 36404190, 48538920, 58246704, 72808380, 97077840, 145616760, 291233520]

約数ペア:

[(1, 291233520), (2, 145616760), (3, 97077840), (4, 72808380), (5, 58246704), (6, 48538920), (8, 36404190), (9, 32359280), (10, 29123352), (12, 24269460), (15, 19415568), (16, 18202095), (18, 16179640), (19, 15328080), (20, 14561676), (24, 12134730), (30, 9707784), (36, 8089820), (38, 7664040), (40, 7280838), (45, 6471856), (48, 6067365), (57, 5109360), (60, 4853892), (61, 4774320), (72, 4044910), (76, 3832020), (80, 3640419), (90, 3235928), (95, 3065616), (114, 2554680), (120, 2426946), (122, 2387160), (144, 2022455), (152, 1916010), (171, 1703120), (180, 1617964), (183, 1591440), (190, 1532808), (228, 1277340), (240, 1213473), (244, 1193580), (285, 1021872), (304, 958005), (305, 954864), (342, 851560), (349, 834480), (360, 808982), (366, 795720), (380, 766404), (456, 638670), (488, 596790), (549, 530480), (570, 510936), (610, 477432), (684, 425780), (698, 417240), (720, 404491), (732, 397860), (760, 383202), (855, 340624), (912, 319335), (915, 318288), (976, 298395), (1047, 278160), (1098, 265240), (1140, 255468), (1159, 251280), (1220, 238716), (1368, 212890), (1396, 208620), (1464, 198930), (1520, 191601), (1710, 170312), (1745, 166896), (1830, 159144), (2094, 139080), (2196, 132620), (2280, 127734), (2318, 125640), (2440, 119358), (2736, 106445), (2745, 106096), (2792, 104310), (2928, 99465), (3141, 92720), (3420, 85156), (3477, 83760), (3490, 83448), (3660, 79572), (4188, 69540), (4392, 66310), (4560, 63867), (4636, 62820), (4880, 59679), (5235, 55632), (5490, 53048), (5584, 52155), (5795, 50256), (6282, 46360), (6631, 43920), (6840, 42578), (6954, 41880), (6980, 41724), (7320, 39786), (8376, 34770), (8784, 33155), (9272, 31410), (10431, 27920), (10470, 27816), (10980, 26524), (11590, 25128), (12564, 23180), (13262, 21960), (13680, 21289), (13908, 20940), (13960, 20862), (14640, 19893), (15705, 18544), (16752, 17385)]