85878480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 288374400

約数和(自身を除く): 202495920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 509, 555, 570, 592, 703, 740, 760, 888, 912, 1018, 1110, 1140, 1406, 1480, 1520, 1527, 1776, 2036, 2109, 2220, 2280, 2545, 2812, 2960, 3054, 3515, 4072, 4218, 4440, 4560, 5090, 5624, 6108, 7030, 7635, 8144, 8436, 8880, 9671, 10180, 10545, 11248, 12216, 14060, 15270, 16872, 18833, 19342, 20360, 21090, 24432, 28120, 29013, 30540, 33744, 37666, 38684, 40720, 42180, 48355, 56240, 56499, 58026, 61080, 75332, 77368, 84360, 94165, 96710, 112998, 116052, 122160, 145065, 150664, 154736, 168720, 188330, 193420, 225996, 232104, 282495, 290130, 301328, 357827, 376660, 386840, 451992, 464208, 564990, 580260, 715654, 753320, 773680, 903984, 1073481, 1129980, 1160520, 1431308, 1506640, 1789135, 2146962, 2259960, 2321040, 2862616, 3578270, 4293924, 4519920, 5367405, 5725232, 7156540, 8587848, 10734810, 14313080, 17175696, 21469620, 28626160, 42939240, 85878480]

約数ペア:

[(1, 85878480), (2, 42939240), (3, 28626160), (4, 21469620), (5, 17175696), (6, 14313080), (8, 10734810), (10, 8587848), (12, 7156540), (15, 5725232), (16, 5367405), (19, 4519920), (20, 4293924), (24, 3578270), (30, 2862616), (37, 2321040), (38, 2259960), (40, 2146962), (48, 1789135), (57, 1506640), (60, 1431308), (74, 1160520), (76, 1129980), (80, 1073481), (95, 903984), (111, 773680), (114, 753320), (120, 715654), (148, 580260), (152, 564990), (185, 464208), (190, 451992), (222, 386840), (228, 376660), (240, 357827), (285, 301328), (296, 290130), (304, 282495), (370, 232104), (380, 225996), (444, 193420), (456, 188330), (509, 168720), (555, 154736), (570, 150664), (592, 145065), (703, 122160), (740, 116052), (760, 112998), (888, 96710), (912, 94165), (1018, 84360), (1110, 77368), (1140, 75332), (1406, 61080), (1480, 58026), (1520, 56499), (1527, 56240), (1776, 48355), (2036, 42180), (2109, 40720), (2220, 38684), (2280, 37666), (2545, 33744), (2812, 30540), (2960, 29013), (3054, 28120), (3515, 24432), (4072, 21090), (4218, 20360), (4440, 19342), (4560, 18833), (5090, 16872), (5624, 15270), (6108, 14060), (7030, 12216), (7635, 11248), (8144, 10545), (8436, 10180), (8880, 9671)]