77961520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10709}}^1$

素因数の和:10742

約数の個数: 80

約数和(自身を含む): 223110720

約数和(自身を除く): 145149200

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, 10709, 21418, 42836, 53545, 74963, 85672, 107090, 139217, 149926, 171344, 214180, 278434, 299852, 374815, 428360, 556868, 599704, 696085, 749630, 856720, 974519, 1113736, 1199408, 1392170, 1499260, 1949038, 2227472, 2784340, 2998520, 3898076, 4872595, 5568680, 5997040, 7796152, 9745190, 11137360, 15592304, 19490380, 38980760, 77961520]

約数ペア:

[(1, 77961520), (2, 38980760), (4, 19490380), (5, 15592304), (7, 11137360), (8, 9745190), (10, 7796152), (13, 5997040), (14, 5568680), (16, 4872595), (20, 3898076), (26, 2998520), (28, 2784340), (35, 2227472), (40, 1949038), (52, 1499260), (56, 1392170), (65, 1199408), (70, 1113736), (80, 974519), (91, 856720), (104, 749630), (112, 696085), (130, 599704), (140, 556868), (182, 428360), (208, 374815), (260, 299852), (280, 278434), (364, 214180), (455, 171344), (520, 149926), (560, 139217), (728, 107090), (910, 85672), (1040, 74963), (1456, 53545), (1820, 42836), (3640, 21418), (7280, 10709)]