1640592180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{102409}}^1$

素因数の和:102513

約数の個数: 72

約数和(自身を含む): 5032427400

約数和(自身を除く): 3391835220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 102409, 204818, 307227, 409636, 512045, 614454, 921681, 1024090, 1228908, 1536135, 1843362, 2048180, 3072270, 3686724, 4608405, 6144540, 9114401, 9216810, 18228802, 18433620, 27343203, 36457604, 45572005, 54686406, 82029609, 91144010, 109372812, 136716015, 164059218, 182288020, 273432030, 328118436, 410148045, 546864060, 820296090, 1640592180]

約数ペア:

[(1, 1640592180), (2, 820296090), (3, 546864060), (4, 410148045), (5, 328118436), (6, 273432030), (9, 182288020), (10, 164059218), (12, 136716015), (15, 109372812), (18, 91144010), (20, 82029609), (30, 54686406), (36, 45572005), (45, 36457604), (60, 27343203), (89, 18433620), (90, 18228802), (178, 9216810), (180, 9114401), (267, 6144540), (356, 4608405), (445, 3686724), (534, 3072270), (801, 2048180), (890, 1843362), (1068, 1536135), (1335, 1228908), (1602, 1024090), (1780, 921681), (2670, 614454), (3204, 512045), (4005, 409636), (5340, 307227), (8010, 204818), (16020, 102409)]