7456640

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 18213120

約数和(自身を除く): 10756480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 191, 244, 305, 320, 382, 488, 610, 640, 764, 955, 976, 1220, 1528, 1910, 1952, 2440, 3056, 3820, 3904, 4880, 6112, 7640, 7808, 9760, 11651, 12224, 15280, 19520, 23302, 24448, 30560, 39040, 46604, 58255, 61120, 93208, 116510, 122240, 186416, 233020, 372832, 466040, 745664, 932080, 1491328, 1864160, 3728320, 7456640]

約数ペア:

[(1, 7456640), (2, 3728320), (4, 1864160), (5, 1491328), (8, 932080), (10, 745664), (16, 466040), (20, 372832), (32, 233020), (40, 186416), (61, 122240), (64, 116510), (80, 93208), (122, 61120), (128, 58255), (160, 46604), (191, 39040), (244, 30560), (305, 24448), (320, 23302), (382, 19520), (488, 15280), (610, 12224), (640, 11651), (764, 9760), (955, 7808), (976, 7640), (1220, 6112), (1528, 4880), (1910, 3904), (1952, 3820), (2440, 3056)]