481638320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1438

約数の個数: 80

約数和(自身を含む): 1164235008

約数和(自身を除く): 682596688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 496, 620, 628, 785, 1237, 1240, 1256, 1570, 2474, 2480, 2512, 3140, 4867, 4948, 6185, 6280, 9734, 9896, 12370, 12560, 19468, 19792, 24335, 24740, 38347, 38936, 48670, 49480, 76694, 77872, 97340, 98960, 153388, 191735, 194209, 194680, 306776, 383470, 388418, 389360, 613552, 766940, 776836, 971045, 1533880, 1553672, 1942090, 3067760, 3107344, 3884180, 6020479, 7768360, 12040958, 15536720, 24081916, 30102395, 48163832, 60204790, 96327664, 120409580, 240819160, 481638320]

約数ペア:

[(1, 481638320), (2, 240819160), (4, 120409580), (5, 96327664), (8, 60204790), (10, 48163832), (16, 30102395), (20, 24081916), (31, 15536720), (40, 12040958), (62, 7768360), (80, 6020479), (124, 3884180), (155, 3107344), (157, 3067760), (248, 1942090), (310, 1553672), (314, 1533880), (496, 971045), (620, 776836), (628, 766940), (785, 613552), (1237, 389360), (1240, 388418), (1256, 383470), (1570, 306776), (2474, 194680), (2480, 194209), (2512, 191735), (3140, 153388), (4867, 98960), (4948, 97340), (6185, 77872), (6280, 76694), (9734, 49480), (9896, 48670), (12370, 38936), (12560, 38347), (19468, 24740), (19792, 24335)]