51698340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 157405248

約数和(自身を除く): 105706908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 571, 1006, 1142, 1509, 1713, 2012, 2284, 2515, 2855, 3018, 3426, 4527, 5030, 5139, 5710, 6036, 6852, 7545, 8565, 9054, 10060, 10278, 11420, 15090, 17130, 18108, 20556, 22635, 25695, 30180, 34260, 45270, 51390, 90540, 102780, 287213, 574426, 861639, 1148852, 1436065, 1723278, 2584917, 2872130, 3446556, 4308195, 5169834, 5744260, 8616390, 10339668, 12924585, 17232780, 25849170, 51698340]

約数ペア:

[(1, 51698340), (2, 25849170), (3, 17232780), (4, 12924585), (5, 10339668), (6, 8616390), (9, 5744260), (10, 5169834), (12, 4308195), (15, 3446556), (18, 2872130), (20, 2584917), (30, 1723278), (36, 1436065), (45, 1148852), (60, 861639), (90, 574426), (180, 287213), (503, 102780), (571, 90540), (1006, 51390), (1142, 45270), (1509, 34260), (1713, 30180), (2012, 25695), (2284, 22635), (2515, 20556), (2855, 18108), (3018, 17130), (3426, 15090), (4527, 11420), (5030, 10278), (5139, 10060), (5710, 9054), (6036, 8565), (6852, 7545)]