28860780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 87945984

約数和(自身を除く): 59085204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 227, 260, 326, 390, 454, 489, 652, 681, 780, 815, 908, 978, 1135, 1362, 1630, 1956, 2119, 2270, 2445, 2724, 2951, 3260, 3405, 4238, 4540, 4890, 5902, 6357, 6810, 8476, 8853, 9780, 10595, 11804, 12714, 13620, 14755, 17706, 21190, 25428, 29510, 31785, 35412, 37001, 42380, 44265, 59020, 63570, 74002, 88530, 111003, 127140, 148004, 177060, 185005, 222006, 370010, 444012, 481013, 555015, 740020, 962026, 1110030, 1443039, 1924052, 2220060, 2405065, 2886078, 4810130, 5772156, 7215195, 9620260, 14430390, 28860780]

約数ペア:

[(1, 28860780), (2, 14430390), (3, 9620260), (4, 7215195), (5, 5772156), (6, 4810130), (10, 2886078), (12, 2405065), (13, 2220060), (15, 1924052), (20, 1443039), (26, 1110030), (30, 962026), (39, 740020), (52, 555015), (60, 481013), (65, 444012), (78, 370010), (130, 222006), (156, 185005), (163, 177060), (195, 148004), (227, 127140), (260, 111003), (326, 88530), (390, 74002), (454, 63570), (489, 59020), (652, 44265), (681, 42380), (780, 37001), (815, 35412), (908, 31785), (978, 29510), (1135, 25428), (1362, 21190), (1630, 17706), (1956, 14755), (2119, 13620), (2270, 12714), (2445, 11804), (2724, 10595), (2951, 9780), (3260, 8853), (3405, 8476), (4238, 6810), (4540, 6357), (4890, 5902)]