11872720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 29730240

約数和(自身を除く): 17857520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 107, 146, 152, 190, 214, 292, 304, 365, 380, 428, 535, 584, 730, 760, 856, 1070, 1168, 1387, 1460, 1520, 1712, 2033, 2140, 2774, 2920, 4066, 4280, 5548, 5840, 6935, 7811, 8132, 8560, 10165, 11096, 13870, 15622, 16264, 20330, 22192, 27740, 31244, 32528, 39055, 40660, 55480, 62488, 78110, 81320, 110960, 124976, 148409, 156220, 162640, 296818, 312440, 593636, 624880, 742045, 1187272, 1484090, 2374544, 2968180, 5936360, 11872720]

約数ペア:

[(1, 11872720), (2, 5936360), (4, 2968180), (5, 2374544), (8, 1484090), (10, 1187272), (16, 742045), (19, 624880), (20, 593636), (38, 312440), (40, 296818), (73, 162640), (76, 156220), (80, 148409), (95, 124976), (107, 110960), (146, 81320), (152, 78110), (190, 62488), (214, 55480), (292, 40660), (304, 39055), (365, 32528), (380, 31244), (428, 27740), (535, 22192), (584, 20330), (730, 16264), (760, 15622), (856, 13870), (1070, 11096), (1168, 10165), (1387, 8560), (1460, 8132), (1520, 7811), (1712, 6935), (2033, 5840), (2140, 5548), (2774, 4280), (2920, 4066)]