31827120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 107316048

約数和(自身を除く): 75488928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 101, 104, 120, 130, 156, 195, 202, 208, 240, 260, 303, 312, 390, 404, 505, 520, 606, 624, 780, 808, 1010, 1040, 1212, 1313, 1515, 1560, 1616, 2020, 2424, 2626, 3030, 3120, 3939, 4040, 4848, 5252, 6060, 6565, 7878, 8080, 10201, 10504, 12120, 13130, 15756, 19695, 20402, 21008, 24240, 26260, 30603, 31512, 39390, 40804, 51005, 52520, 61206, 63024, 78780, 81608, 102010, 105040, 122412, 132613, 153015, 157560, 163216, 204020, 244824, 265226, 306030, 315120, 397839, 408040, 489648, 530452, 612060, 663065, 795678, 816080, 1060904, 1224120, 1326130, 1591356, 1989195, 2121808, 2448240, 2652260, 3182712, 3978390, 5304520, 6365424, 7956780, 10609040, 15913560, 31827120]

約数ペア:

[(1, 31827120), (2, 15913560), (3, 10609040), (4, 7956780), (5, 6365424), (6, 5304520), (8, 3978390), (10, 3182712), (12, 2652260), (13, 2448240), (15, 2121808), (16, 1989195), (20, 1591356), (24, 1326130), (26, 1224120), (30, 1060904), (39, 816080), (40, 795678), (48, 663065), (52, 612060), (60, 530452), (65, 489648), (78, 408040), (80, 397839), (101, 315120), (104, 306030), (120, 265226), (130, 244824), (156, 204020), (195, 163216), (202, 157560), (208, 153015), (240, 132613), (260, 122412), (303, 105040), (312, 102010), (390, 81608), (404, 78780), (505, 63024), (520, 61206), (606, 52520), (624, 51005), (780, 40804), (808, 39390), (1010, 31512), (1040, 30603), (1212, 26260), (1313, 24240), (1515, 21008), (1560, 20402), (1616, 19695), (2020, 15756), (2424, 13130), (2626, 12120), (3030, 10504), (3120, 10201), (3939, 8080), (4040, 7878), (4848, 6565), (5252, 6060)]