38940720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1819

約数の個数: 160

約数和(自身を含む): 148657152

約数和(自身を除く): 109716432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1783, 1820, 2184, 2730, 3120, 3566, 3640, 4368, 5349, 5460, 7132, 7280, 8915, 10698, 10920, 12481, 14264, 17830, 21396, 21840, 23179, 24962, 26745, 28528, 35660, 37443, 42792, 46358, 49924, 53490, 62405, 69537, 71320, 74886, 85584, 92716, 99848, 106980, 115895, 124810, 139074, 142640, 149772, 162253, 185432, 187215, 199696, 213960, 231790, 249620, 278148, 299544, 324506, 347685, 370864, 374430, 427920, 463580, 486759, 499240, 556296, 599088, 649012, 695370, 748860, 811265, 927160, 973518, 998480, 1112592, 1298024, 1390740, 1497720, 1622530, 1854320, 1947036, 2433795, 2596048, 2781480, 2995440, 3245060, 3894072, 4867590, 5562960, 6490120, 7788144, 9735180, 12980240, 19470360, 38940720]

約数ペア:

[(1, 38940720), (2, 19470360), (3, 12980240), (4, 9735180), (5, 7788144), (6, 6490120), (7, 5562960), (8, 4867590), (10, 3894072), (12, 3245060), (13, 2995440), (14, 2781480), (15, 2596048), (16, 2433795), (20, 1947036), (21, 1854320), (24, 1622530), (26, 1497720), (28, 1390740), (30, 1298024), (35, 1112592), (39, 998480), (40, 973518), (42, 927160), (48, 811265), (52, 748860), (56, 695370), (60, 649012), (65, 599088), (70, 556296), (78, 499240), (80, 486759), (84, 463580), (91, 427920), (104, 374430), (105, 370864), (112, 347685), (120, 324506), (130, 299544), (140, 278148), (156, 249620), (168, 231790), (182, 213960), (195, 199696), (208, 187215), (210, 185432), (240, 162253), (260, 149772), (273, 142640), (280, 139074), (312, 124810), (336, 115895), (364, 106980), (390, 99848), (420, 92716), (455, 85584), (520, 74886), (546, 71320), (560, 69537), (624, 62405), (728, 53490), (780, 49924), (840, 46358), (910, 42792), (1040, 37443), (1092, 35660), (1365, 28528), (1456, 26745), (1560, 24962), (1680, 23179), (1783, 21840), (1820, 21396), (2184, 17830), (2730, 14264), (3120, 12481), (3566, 10920), (3640, 10698), (4368, 8915), (5349, 7280), (5460, 7132)]