891192120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81611}}^1$

素因数の和:81645

約数の個数: 128

約数和(自身を含む): 3290595840

約数和(自身を除く): 2399403720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 81611, 163222, 244833, 326444, 408055, 489666, 571277, 652888, 816110, 979332, 1060943, 1142554, 1224165, 1632220, 1713831, 1958664, 2121886, 2285108, 2448330, 2856385, 3182829, 3264440, 3427662, 4243772, 4570216, 4896660, 5304715, 5712770, 6365658, 6855324, 7426601, 8487544, 8569155, 9793320, 10609430, 11425540, 12731316, 13710648, 14853202, 15914145, 17138310, 21218860, 22279803, 22851080, 25462632, 29706404, 31828290, 34276620, 37133005, 42437720, 44559606, 59412808, 63656580, 68553240, 74266010, 89119212, 111399015, 127313160, 148532020, 178238424, 222798030, 297064040, 445596060, 891192120]

約数ペア:

[(1, 891192120), (2, 445596060), (3, 297064040), (4, 222798030), (5, 178238424), (6, 148532020), (7, 127313160), (8, 111399015), (10, 89119212), (12, 74266010), (13, 68553240), (14, 63656580), (15, 59412808), (20, 44559606), (21, 42437720), (24, 37133005), (26, 34276620), (28, 31828290), (30, 29706404), (35, 25462632), (39, 22851080), (40, 22279803), (42, 21218860), (52, 17138310), (56, 15914145), (60, 14853202), (65, 13710648), (70, 12731316), (78, 11425540), (84, 10609430), (91, 9793320), (104, 8569155), (105, 8487544), (120, 7426601), (130, 6855324), (140, 6365658), (156, 5712770), (168, 5304715), (182, 4896660), (195, 4570216), (210, 4243772), (260, 3427662), (273, 3264440), (280, 3182829), (312, 2856385), (364, 2448330), (390, 2285108), (420, 2121886), (455, 1958664), (520, 1713831), (546, 1632220), (728, 1224165), (780, 1142554), (840, 1060943), (910, 979332), (1092, 816110), (1365, 652888), (1560, 571277), (1820, 489666), (2184, 408055), (2730, 326444), (3640, 244833), (5460, 163222), (10920, 81611)]