289380780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123667}}^1$

素因数の和:123695

約数の個数: 72

約数和(自身を含む): 945318192

約数和(自身を除く): 655937412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 123667, 247334, 371001, 494668, 618335, 742002, 1113003, 1236670, 1484004, 1607671, 1855005, 2226006, 2473340, 3215342, 3710010, 4452012, 4823013, 5565015, 6430684, 7420020, 8038355, 9646026, 11130030, 14469039, 16076710, 19292052, 22260060, 24115065, 28938078, 32153420, 48230130, 57876156, 72345195, 96460260, 144690390, 289380780]

約数ペア:

[(1, 289380780), (2, 144690390), (3, 96460260), (4, 72345195), (5, 57876156), (6, 48230130), (9, 32153420), (10, 28938078), (12, 24115065), (13, 22260060), (15, 19292052), (18, 16076710), (20, 14469039), (26, 11130030), (30, 9646026), (36, 8038355), (39, 7420020), (45, 6430684), (52, 5565015), (60, 4823013), (65, 4452012), (78, 3710010), (90, 3215342), (117, 2473340), (130, 2226006), (156, 1855005), (180, 1607671), (195, 1484004), (234, 1236670), (260, 1113003), (390, 742002), (468, 618335), (585, 494668), (780, 371001), (1170, 247334), (2340, 123667)]