129291240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1331

約数の個数: 128

約数和(自身を含む): 424287360

約数和(自身を除く): 294996120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1237, 1340, 1560, 1608, 1742, 2010, 2474, 2613, 2680, 3484, 3711, 4020, 4355, 4948, 5226, 6185, 6968, 7422, 8040, 8710, 9896, 10452, 12370, 13065, 14844, 16081, 17420, 18555, 20904, 24740, 26130, 29688, 32162, 34840, 37110, 48243, 49480, 52260, 64324, 74220, 80405, 82879, 96486, 104520, 128648, 148440, 160810, 165758, 192972, 241215, 248637, 321620, 331516, 385944, 414395, 482430, 497274, 643240, 663032, 828790, 964860, 994548, 1077427, 1243185, 1657580, 1929720, 1989096, 2154854, 2486370, 3232281, 3315160, 4309708, 4972740, 5387135, 6464562, 8619416, 9945480, 10774270, 12929124, 16161405, 21548540, 25858248, 32322810, 43097080, 64645620, 129291240]

約数ペア:

[(1, 129291240), (2, 64645620), (3, 43097080), (4, 32322810), (5, 25858248), (6, 21548540), (8, 16161405), (10, 12929124), (12, 10774270), (13, 9945480), (15, 8619416), (20, 6464562), (24, 5387135), (26, 4972740), (30, 4309708), (39, 3315160), (40, 3232281), (52, 2486370), (60, 2154854), (65, 1989096), (67, 1929720), (78, 1657580), (104, 1243185), (120, 1077427), (130, 994548), (134, 964860), (156, 828790), (195, 663032), (201, 643240), (260, 497274), (268, 482430), (312, 414395), (335, 385944), (390, 331516), (402, 321620), (520, 248637), (536, 241215), (670, 192972), (780, 165758), (804, 160810), (871, 148440), (1005, 128648), (1237, 104520), (1340, 96486), (1560, 82879), (1608, 80405), (1742, 74220), (2010, 64324), (2474, 52260), (2613, 49480), (2680, 48243), (3484, 37110), (3711, 34840), (4020, 32162), (4355, 29688), (4948, 26130), (5226, 24740), (6185, 20904), (6968, 18555), (7422, 17420), (8040, 16081), (8710, 14844), (9896, 13065), (10452, 12370)]