72100020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2389}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 202366080

約数和(自身を除く): 130266060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 1006, 1509, 2012, 2389, 2515, 3018, 4778, 5030, 6036, 7167, 7545, 9556, 10060, 11945, 14334, 15090, 23890, 28668, 30180, 35835, 47780, 71670, 143340, 1201667, 2403334, 3605001, 4806668, 6008335, 7210002, 12016670, 14420004, 18025005, 24033340, 36050010, 72100020]

約数ペア:

[(1, 72100020), (2, 36050010), (3, 24033340), (4, 18025005), (5, 14420004), (6, 12016670), (10, 7210002), (12, 6008335), (15, 4806668), (20, 3605001), (30, 2403334), (60, 1201667), (503, 143340), (1006, 71670), (1509, 47780), (2012, 35835), (2389, 30180), (2515, 28668), (3018, 23890), (4778, 15090), (5030, 14334), (6036, 11945), (7167, 10060), (7545, 9556)]