78985280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1228

約数の個数: 112

約数和(自身を含む): 216164160

約数和(自身を除く): 137178880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1181, 1216, 1520, 1672, 1760, 2090, 2362, 3040, 3344, 3520, 4180, 4724, 5905, 6080, 6688, 8360, 9448, 11810, 12991, 13376, 16720, 18896, 22439, 23620, 25982, 33440, 37792, 44878, 47240, 51964, 64955, 66880, 75584, 89756, 94480, 103928, 112195, 129910, 179512, 188960, 207856, 224390, 246829, 259820, 359024, 377920, 415712, 448780, 493658, 519640, 718048, 831424, 897560, 987316, 1039280, 1234145, 1436096, 1795120, 1974632, 2078560, 2468290, 3590240, 3949264, 4157120, 4936580, 7180480, 7898528, 9873160, 15797056, 19746320, 39492640, 78985280]

約数ペア:

[(1, 78985280), (2, 39492640), (4, 19746320), (5, 15797056), (8, 9873160), (10, 7898528), (11, 7180480), (16, 4936580), (19, 4157120), (20, 3949264), (22, 3590240), (32, 2468290), (38, 2078560), (40, 1974632), (44, 1795120), (55, 1436096), (64, 1234145), (76, 1039280), (80, 987316), (88, 897560), (95, 831424), (110, 718048), (152, 519640), (160, 493658), (176, 448780), (190, 415712), (209, 377920), (220, 359024), (304, 259820), (320, 246829), (352, 224390), (380, 207856), (418, 188960), (440, 179512), (608, 129910), (704, 112195), (760, 103928), (836, 94480), (880, 89756), (1045, 75584), (1181, 66880), (1216, 64955), (1520, 51964), (1672, 47240), (1760, 44878), (2090, 37792), (2362, 33440), (3040, 25982), (3344, 23620), (3520, 22439), (4180, 18896), (4724, 16720), (5905, 13376), (6080, 12991), (6688, 11810), (8360, 9448)]