31281040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 84244608

約数和(自身を除く): 52963568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 673, 830, 1162, 1328, 1346, 1660, 2324, 2692, 2905, 3320, 3365, 4648, 4711, 5384, 5810, 6640, 6730, 9296, 9422, 10768, 11620, 13460, 18844, 23240, 23555, 26920, 37688, 46480, 47110, 53840, 55859, 75376, 94220, 111718, 188440, 223436, 279295, 376880, 391013, 446872, 558590, 782026, 893744, 1117180, 1564052, 1955065, 2234360, 3128104, 3910130, 4468720, 6256208, 7820260, 15640520, 31281040]

約数ペア:

[(1, 31281040), (2, 15640520), (4, 7820260), (5, 6256208), (7, 4468720), (8, 3910130), (10, 3128104), (14, 2234360), (16, 1955065), (20, 1564052), (28, 1117180), (35, 893744), (40, 782026), (56, 558590), (70, 446872), (80, 391013), (83, 376880), (112, 279295), (140, 223436), (166, 188440), (280, 111718), (332, 94220), (415, 75376), (560, 55859), (581, 53840), (664, 47110), (673, 46480), (830, 37688), (1162, 26920), (1328, 23555), (1346, 23240), (1660, 18844), (2324, 13460), (2692, 11620), (2905, 10768), (3320, 9422), (3365, 9296), (4648, 6730), (4711, 6640), (5384, 5810)]