72304640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 181621440

約数和(自身を除く): 109316800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 307, 320, 368, 460, 512, 614, 640, 736, 920, 1024, 1228, 1280, 1472, 1535, 1840, 2048, 2456, 2560, 2944, 3070, 3680, 4912, 5120, 5888, 6140, 7061, 7360, 9824, 10240, 11776, 12280, 14122, 14720, 19648, 23552, 24560, 28244, 29440, 35305, 39296, 47104, 49120, 56488, 58880, 70610, 78592, 98240, 112976, 117760, 141220, 157184, 196480, 225952, 235520, 282440, 314368, 392960, 451904, 564880, 628736, 785920, 903808, 1129760, 1571840, 1807616, 2259520, 3143680, 3615232, 4519040, 7230464, 9038080, 14460928, 18076160, 36152320, 72304640]

約数ペア:

[(1, 72304640), (2, 36152320), (4, 18076160), (5, 14460928), (8, 9038080), (10, 7230464), (16, 4519040), (20, 3615232), (23, 3143680), (32, 2259520), (40, 1807616), (46, 1571840), (64, 1129760), (80, 903808), (92, 785920), (115, 628736), (128, 564880), (160, 451904), (184, 392960), (230, 314368), (256, 282440), (307, 235520), (320, 225952), (368, 196480), (460, 157184), (512, 141220), (614, 117760), (640, 112976), (736, 98240), (920, 78592), (1024, 70610), (1228, 58880), (1280, 56488), (1472, 49120), (1535, 47104), (1840, 39296), (2048, 35305), (2456, 29440), (2560, 28244), (2944, 24560), (3070, 23552), (3680, 19648), (4912, 14720), (5120, 14122), (5888, 12280), (6140, 11776), (7061, 10240), (7360, 9824)]