313627840

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16067}}^1$

素因数の和:16145

約数の個数: 56

約数和(自身を含む): 759116592

約数和(自身を除く): 445488752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 16067, 19520, 32134, 64268, 80335, 128536, 160670, 257072, 321340, 514144, 642680, 980087, 1028288, 1285360, 1960174, 2570720, 3920348, 4900435, 5141440, 7840696, 9800870, 15681392, 19601740, 31362784, 39203480, 62725568, 78406960, 156813920, 313627840]

約数ペア:

[(1, 313627840), (2, 156813920), (4, 78406960), (5, 62725568), (8, 39203480), (10, 31362784), (16, 19601740), (20, 15681392), (32, 9800870), (40, 7840696), (61, 5141440), (64, 4900435), (80, 3920348), (122, 2570720), (160, 1960174), (244, 1285360), (305, 1028288), (320, 980087), (488, 642680), (610, 514144), (976, 321340), (1220, 257072), (1952, 160670), (2440, 128536), (3904, 80335), (4880, 64268), (9760, 32134), (16067, 19520)]