31820760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 104261040

約数和(自身を除く): 72440280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 563, 628, 785, 942, 1126, 1256, 1413, 1570, 1689, 1884, 2252, 2355, 2815, 2826, 3140, 3378, 3768, 4504, 4710, 5067, 5630, 5652, 6280, 6756, 7065, 8445, 9420, 10134, 11260, 11304, 13512, 14130, 16890, 18840, 20268, 22520, 25335, 28260, 33780, 40536, 50670, 56520, 67560, 88391, 101340, 176782, 202680, 265173, 353564, 441955, 530346, 707128, 795519, 883910, 1060692, 1325865, 1591038, 1767820, 2121384, 2651730, 3182076, 3535640, 3977595, 5303460, 6364152, 7955190, 10606920, 15910380, 31820760]

約数ペア:

[(1, 31820760), (2, 15910380), (3, 10606920), (4, 7955190), (5, 6364152), (6, 5303460), (8, 3977595), (9, 3535640), (10, 3182076), (12, 2651730), (15, 2121384), (18, 1767820), (20, 1591038), (24, 1325865), (30, 1060692), (36, 883910), (40, 795519), (45, 707128), (60, 530346), (72, 441955), (90, 353564), (120, 265173), (157, 202680), (180, 176782), (314, 101340), (360, 88391), (471, 67560), (563, 56520), (628, 50670), (785, 40536), (942, 33780), (1126, 28260), (1256, 25335), (1413, 22520), (1570, 20268), (1689, 18840), (1884, 16890), (2252, 14130), (2355, 13512), (2815, 11304), (2826, 11260), (3140, 10134), (3378, 9420), (3768, 8445), (4504, 7065), (4710, 6756), (5067, 6280), (5630, 5652)]