30373120

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 74135880

約数和(自身を除く): 43762760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 389, 488, 610, 640, 778, 976, 1220, 1280, 1556, 1945, 1952, 2440, 3112, 3890, 3904, 4880, 6224, 7780, 7808, 9760, 12448, 15560, 15616, 19520, 23729, 24896, 31120, 39040, 47458, 49792, 62240, 78080, 94916, 99584, 118645, 124480, 189832, 237290, 248960, 379664, 474580, 497920, 759328, 949160, 1518656, 1898320, 3037312, 3796640, 6074624, 7593280, 15186560, 30373120]

約数ペア:

[(1, 30373120), (2, 15186560), (4, 7593280), (5, 6074624), (8, 3796640), (10, 3037312), (16, 1898320), (20, 1518656), (32, 949160), (40, 759328), (61, 497920), (64, 474580), (80, 379664), (122, 248960), (128, 237290), (160, 189832), (244, 124480), (256, 118645), (305, 99584), (320, 94916), (389, 78080), (488, 62240), (610, 49792), (640, 47458), (778, 39040), (976, 31120), (1220, 24896), (1280, 23729), (1556, 19520), (1945, 15616), (1952, 15560), (2440, 12448), (3112, 9760), (3890, 7808), (3904, 7780), (4880, 6224)]