209253720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4385

約数の個数: 128

約数和(自身を含む): 698019840

約数和(自身を除く): 488766120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4327, 4836, 6045, 8060, 8654, 9672, 12090, 12981, 16120, 17308, 21635, 24180, 25962, 34616, 43270, 48360, 51924, 56251, 64905, 86540, 103848, 112502, 129810, 134137, 168753, 173080, 225004, 259620, 268274, 281255, 337506, 402411, 450008, 519240, 536548, 562510, 670685, 675012, 804822, 843765, 1073096, 1125020, 1341370, 1350024, 1609644, 1687530, 1743781, 2012055, 2250040, 2682740, 3219288, 3375060, 3487562, 4024110, 5231343, 5365480, 6750120, 6975124, 8048220, 8718905, 10462686, 13950248, 16096440, 17437810, 20925372, 26156715, 34875620, 41850744, 52313430, 69751240, 104626860, 209253720]

約数ペア:

[(1, 209253720), (2, 104626860), (3, 69751240), (4, 52313430), (5, 41850744), (6, 34875620), (8, 26156715), (10, 20925372), (12, 17437810), (13, 16096440), (15, 13950248), (20, 10462686), (24, 8718905), (26, 8048220), (30, 6975124), (31, 6750120), (39, 5365480), (40, 5231343), (52, 4024110), (60, 3487562), (62, 3375060), (65, 3219288), (78, 2682740), (93, 2250040), (104, 2012055), (120, 1743781), (124, 1687530), (130, 1609644), (155, 1350024), (156, 1341370), (186, 1125020), (195, 1073096), (248, 843765), (260, 804822), (310, 675012), (312, 670685), (372, 562510), (390, 536548), (403, 519240), (465, 450008), (520, 402411), (620, 337506), (744, 281255), (780, 268274), (806, 259620), (930, 225004), (1209, 173080), (1240, 168753), (1560, 134137), (1612, 129810), (1860, 112502), (2015, 103848), (2418, 86540), (3224, 64905), (3720, 56251), (4030, 51924), (4327, 48360), (4836, 43270), (6045, 34616), (8060, 25962), (8654, 24180), (9672, 21635), (12090, 17308), (12981, 16120)]