71773520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9892

約数の個数: 80

約数和(自身を含む): 205403520

約数和(自身を除く): 133630000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9859, 19718, 39436, 49295, 69013, 78872, 98590, 128167, 138026, 157744, 197180, 256334, 276052, 345065, 394360, 512668, 552104, 640835, 690130, 788720, 897169, 1025336, 1104208, 1281670, 1380260, 1794338, 2050672, 2563340, 2760520, 3588676, 4485845, 5126680, 5521040, 7177352, 8971690, 10253360, 14354704, 17943380, 35886760, 71773520]

約数ペア:

[(1, 71773520), (2, 35886760), (4, 17943380), (5, 14354704), (7, 10253360), (8, 8971690), (10, 7177352), (13, 5521040), (14, 5126680), (16, 4485845), (20, 3588676), (26, 2760520), (28, 2563340), (35, 2050672), (40, 1794338), (52, 1380260), (56, 1281670), (65, 1104208), (70, 1025336), (80, 897169), (91, 788720), (104, 690130), (112, 640835), (130, 552104), (140, 512668), (182, 394360), (208, 345065), (260, 276052), (280, 256334), (364, 197180), (455, 157744), (520, 138026), (560, 128167), (728, 98590), (910, 78872), (1040, 69013), (1456, 49295), (1820, 39436), (3640, 19718), (7280, 9859)]