78997440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 224

約数和(自身を含む): 272125440

約数和(自身を除く): 193128000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 61, 64, 71, 76, 80, 95, 96, 114, 120, 122, 142, 152, 160, 183, 190, 192, 213, 228, 240, 244, 284, 285, 304, 305, 320, 355, 366, 380, 426, 456, 480, 488, 568, 570, 608, 610, 710, 732, 760, 852, 912, 915, 960, 976, 1065, 1136, 1140, 1159, 1216, 1220, 1349, 1420, 1464, 1520, 1704, 1824, 1830, 1952, 2130, 2272, 2280, 2318, 2440, 2698, 2840, 2928, 3040, 3408, 3477, 3648, 3660, 3904, 4047, 4260, 4331, 4544, 4560, 4636, 4880, 5396, 5680, 5795, 5856, 6080, 6745, 6816, 6954, 7320, 8094, 8520, 8662, 9120, 9272, 9760, 10792, 11360, 11590, 11712, 12993, 13490, 13632, 13908, 14640, 16188, 17040, 17324, 17385, 18240, 18544, 19520, 20235, 21584, 21655, 22720, 23180, 25986, 26980, 27816, 29280, 32376, 34080, 34648, 34770, 37088, 40470, 43168, 43310, 46360, 51972, 53960, 55632, 58560, 64752, 64965, 68160, 69296, 69540, 74176, 80940, 82289, 86336, 86620, 92720, 103944, 107920, 111264, 129504, 129930, 138592, 139080, 161880, 164578, 173240, 185440, 207888, 215840, 222528, 246867, 259008, 259860, 277184, 278160, 323760, 329156, 346480, 370880, 411445, 415776, 431680, 493734, 519720, 556320, 647520, 658312, 692960, 822890, 831552, 987468, 1039440, 1112640, 1234335, 1295040, 1316624, 1385920, 1645780, 1974936, 2078880, 2468670, 2633248, 3291560, 3949872, 4157760, 4937340, 5266496, 6583120, 7899744, 9874680, 13166240, 15799488, 19749360, 26332480, 39498720, 78997440]

約数ペア:

[(1, 78997440), (2, 39498720), (3, 26332480), (4, 19749360), (5, 15799488), (6, 13166240), (8, 9874680), (10, 7899744), (12, 6583120), (15, 5266496), (16, 4937340), (19, 4157760), (20, 3949872), (24, 3291560), (30, 2633248), (32, 2468670), (38, 2078880), (40, 1974936), (48, 1645780), (57, 1385920), (60, 1316624), (61, 1295040), (64, 1234335), (71, 1112640), (76, 1039440), (80, 987468), (95, 831552), (96, 822890), (114, 692960), (120, 658312), (122, 647520), (142, 556320), (152, 519720), (160, 493734), (183, 431680), (190, 415776), (192, 411445), (213, 370880), (228, 346480), (240, 329156), (244, 323760), (284, 278160), (285, 277184), (304, 259860), (305, 259008), (320, 246867), (355, 222528), (366, 215840), (380, 207888), (426, 185440), (456, 173240), (480, 164578), (488, 161880), (568, 139080), (570, 138592), (608, 129930), (610, 129504), (710, 111264), (732, 107920), (760, 103944), (852, 92720), (912, 86620), (915, 86336), (960, 82289), (976, 80940), (1065, 74176), (1136, 69540), (1140, 69296), (1159, 68160), (1216, 64965), (1220, 64752), (1349, 58560), (1420, 55632), (1464, 53960), (1520, 51972), (1704, 46360), (1824, 43310), (1830, 43168), (1952, 40470), (2130, 37088), (2272, 34770), (2280, 34648), (2318, 34080), (2440, 32376), (2698, 29280), (2840, 27816), (2928, 26980), (3040, 25986), (3408, 23180), (3477, 22720), (3648, 21655), (3660, 21584), (3904, 20235), (4047, 19520), (4260, 18544), (4331, 18240), (4544, 17385), (4560, 17324), (4636, 17040), (4880, 16188), (5396, 14640), (5680, 13908), (5795, 13632), (5856, 13490), (6080, 12993), (6745, 11712), (6816, 11590), (6954, 11360), (7320, 10792), (8094, 9760), (8520, 9272), (8662, 9120)]