15540420

素因数分解:

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

素因数の和:409

約数の個数: 96

約数和(自身を含む): 50254848

約数和(自身を除く): 34714428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 227, 326, 420, 454, 489, 652, 681, 815, 908, 978, 1135, 1141, 1362, 1589, 1630, 1956, 2270, 2282, 2445, 2724, 3178, 3260, 3405, 3423, 4540, 4564, 4767, 4890, 5705, 6356, 6810, 6846, 7945, 9534, 9780, 11410, 13620, 13692, 15890, 17115, 19068, 22820, 23835, 31780, 34230, 37001, 47670, 68460, 74002, 95340, 111003, 148004, 185005, 222006, 259007, 370010, 444012, 518014, 555015, 740020, 777021, 1036028, 1110030, 1295035, 1554042, 2220060, 2590070, 3108084, 3885105, 5180140, 7770210, 15540420]

約数ペア:

[(1, 15540420), (2, 7770210), (3, 5180140), (4, 3885105), (5, 3108084), (6, 2590070), (7, 2220060), (10, 1554042), (12, 1295035), (14, 1110030), (15, 1036028), (20, 777021), (21, 740020), (28, 555015), (30, 518014), (35, 444012), (42, 370010), (60, 259007), (70, 222006), (84, 185005), (105, 148004), (140, 111003), (163, 95340), (210, 74002), (227, 68460), (326, 47670), (420, 37001), (454, 34230), (489, 31780), (652, 23835), (681, 22820), (815, 19068), (908, 17115), (978, 15890), (1135, 13692), (1141, 13620), (1362, 11410), (1589, 9780), (1630, 9534), (1956, 7945), (2270, 6846), (2282, 6810), (2445, 6356), (2724, 5705), (3178, 4890), (3260, 4767), (3405, 4564), (3423, 4540)]