255213840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2177

約数の個数: 160

約数和(自身を含む): 917012736

約数和(自身を除く): 661798896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1752, 2044, 2081, 2190, 2555, 2920, 3066, 3504, 4088, 4162, 4380, 5110, 5840, 6132, 6243, 7665, 8176, 8324, 8760, 10220, 10405, 12264, 12486, 14567, 15330, 16648, 17520, 20440, 20810, 24528, 24972, 29134, 30660, 31215, 33296, 40880, 41620, 43701, 49944, 58268, 61320, 62430, 72835, 83240, 87402, 99888, 116536, 122640, 124860, 145670, 151913, 166480, 174804, 218505, 233072, 249720, 291340, 303826, 349608, 437010, 455739, 499440, 582680, 607652, 699216, 759565, 874020, 911478, 1063391, 1165360, 1215304, 1519130, 1748040, 1822956, 2126782, 2278695, 2430608, 3038260, 3190173, 3496080, 3645912, 4253564, 4557390, 5316955, 6076520, 6380346, 7291824, 8507128, 9114780, 10633910, 12153040, 12760692, 15950865, 17014256, 18229560, 21267820, 25521384, 31901730, 36459120, 42535640, 51042768, 63803460, 85071280, 127606920, 255213840]

約数ペア:

[(1, 255213840), (2, 127606920), (3, 85071280), (4, 63803460), (5, 51042768), (6, 42535640), (7, 36459120), (8, 31901730), (10, 25521384), (12, 21267820), (14, 18229560), (15, 17014256), (16, 15950865), (20, 12760692), (21, 12153040), (24, 10633910), (28, 9114780), (30, 8507128), (35, 7291824), (40, 6380346), (42, 6076520), (48, 5316955), (56, 4557390), (60, 4253564), (70, 3645912), (73, 3496080), (80, 3190173), (84, 3038260), (105, 2430608), (112, 2278695), (120, 2126782), (140, 1822956), (146, 1748040), (168, 1519130), (210, 1215304), (219, 1165360), (240, 1063391), (280, 911478), (292, 874020), (336, 759565), (365, 699216), (420, 607652), (438, 582680), (511, 499440), (560, 455739), (584, 437010), (730, 349608), (840, 303826), (876, 291340), (1022, 249720), (1095, 233072), (1168, 218505), (1460, 174804), (1533, 166480), (1680, 151913), (1752, 145670), (2044, 124860), (2081, 122640), (2190, 116536), (2555, 99888), (2920, 87402), (3066, 83240), (3504, 72835), (4088, 62430), (4162, 61320), (4380, 58268), (5110, 49944), (5840, 43701), (6132, 41620), (6243, 40880), (7665, 33296), (8176, 31215), (8324, 30660), (8760, 29134), (10220, 24972), (10405, 24528), (12264, 20810), (12486, 20440), (14567, 17520), (15330, 16648)]