161758620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3273

約数の個数: 120

約数和(自身を含む): 523974528

約数和(自身を除く): 362215908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3221, 3348, 4185, 5022, 5580, 6442, 8370, 9663, 10044, 12555, 12884, 16105, 16740, 19326, 25110, 28989, 32210, 38652, 48315, 50220, 57978, 64420, 86967, 96630, 99851, 115956, 144945, 173934, 193260, 199702, 260901, 289890, 299553, 347868, 399404, 434835, 499255, 521802, 579780, 599106, 869670, 898659, 998510, 1043604, 1198212, 1304505, 1497765, 1739340, 1797318, 1997020, 2609010, 2695977, 2995530, 3594636, 4493295, 5218020, 5391954, 5991060, 8087931, 8986590, 10783908, 13479885, 16175862, 17973180, 26959770, 32351724, 40439655, 53919540, 80879310, 161758620]

約数ペア:

[(1, 161758620), (2, 80879310), (3, 53919540), (4, 40439655), (5, 32351724), (6, 26959770), (9, 17973180), (10, 16175862), (12, 13479885), (15, 10783908), (18, 8986590), (20, 8087931), (27, 5991060), (30, 5391954), (31, 5218020), (36, 4493295), (45, 3594636), (54, 2995530), (60, 2695977), (62, 2609010), (81, 1997020), (90, 1797318), (93, 1739340), (108, 1497765), (124, 1304505), (135, 1198212), (155, 1043604), (162, 998510), (180, 898659), (186, 869670), (270, 599106), (279, 579780), (310, 521802), (324, 499255), (372, 434835), (405, 399404), (465, 347868), (540, 299553), (558, 289890), (620, 260901), (810, 199702), (837, 193260), (930, 173934), (1116, 144945), (1395, 115956), (1620, 99851), (1674, 96630), (1860, 86967), (2511, 64420), (2790, 57978), (3221, 50220), (3348, 48315), (4185, 38652), (5022, 32210), (5580, 28989), (6442, 25110), (8370, 19326), (9663, 16740), (10044, 16105), (12555, 12884)]