12181760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 30218496

約数和(自身を除く): 18036736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 307, 310, 320, 496, 614, 620, 640, 992, 1228, 1240, 1280, 1535, 1984, 2456, 2480, 3070, 3968, 4912, 4960, 6140, 7936, 9517, 9824, 9920, 12280, 19034, 19648, 19840, 24560, 38068, 39296, 39680, 47585, 49120, 76136, 78592, 95170, 98240, 152272, 190340, 196480, 304544, 380680, 392960, 609088, 761360, 1218176, 1522720, 2436352, 3045440, 6090880, 12181760]

約数ペア:

[(1, 12181760), (2, 6090880), (4, 3045440), (5, 2436352), (8, 1522720), (10, 1218176), (16, 761360), (20, 609088), (31, 392960), (32, 380680), (40, 304544), (62, 196480), (64, 190340), (80, 152272), (124, 98240), (128, 95170), (155, 78592), (160, 76136), (248, 49120), (256, 47585), (307, 39680), (310, 39296), (320, 38068), (496, 24560), (614, 19840), (620, 19648), (640, 19034), (992, 12280), (1228, 9920), (1240, 9824), (1280, 9517), (1535, 7936), (1984, 6140), (2456, 4960), (2480, 4912), (3070, 3968)]