31080840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 107688960

約数和(自身を除く): 76608120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 163, 168, 210, 227, 280, 326, 420, 454, 489, 652, 681, 815, 840, 908, 978, 1135, 1141, 1304, 1362, 1589, 1630, 1816, 1956, 2270, 2282, 2445, 2724, 3178, 3260, 3405, 3423, 3912, 4540, 4564, 4767, 4890, 5448, 5705, 6356, 6520, 6810, 6846, 7945, 9080, 9128, 9534, 9780, 11410, 12712, 13620, 13692, 15890, 17115, 19068, 19560, 22820, 23835, 27240, 27384, 31780, 34230, 37001, 38136, 45640, 47670, 63560, 68460, 74002, 95340, 111003, 136920, 148004, 185005, 190680, 222006, 259007, 296008, 370010, 444012, 518014, 555015, 740020, 777021, 888024, 1036028, 1110030, 1295035, 1480040, 1554042, 2072056, 2220060, 2590070, 3108084, 3885105, 4440120, 5180140, 6216168, 7770210, 10360280, 15540420, 31080840]

約数ペア:

[(1, 31080840), (2, 15540420), (3, 10360280), (4, 7770210), (5, 6216168), (6, 5180140), (7, 4440120), (8, 3885105), (10, 3108084), (12, 2590070), (14, 2220060), (15, 2072056), (20, 1554042), (21, 1480040), (24, 1295035), (28, 1110030), (30, 1036028), (35, 888024), (40, 777021), (42, 740020), (56, 555015), (60, 518014), (70, 444012), (84, 370010), (105, 296008), (120, 259007), (140, 222006), (163, 190680), (168, 185005), (210, 148004), (227, 136920), (280, 111003), (326, 95340), (420, 74002), (454, 68460), (489, 63560), (652, 47670), (681, 45640), (815, 38136), (840, 37001), (908, 34230), (978, 31780), (1135, 27384), (1141, 27240), (1304, 23835), (1362, 22820), (1589, 19560), (1630, 19068), (1816, 17115), (1956, 15890), (2270, 13692), (2282, 13620), (2445, 12712), (2724, 11410), (3178, 9780), (3260, 9534), (3405, 9128), (3423, 9080), (3912, 7945), (4540, 6846), (4564, 6810), (4767, 6520), (4890, 6356), (5448, 5705)]