91151820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1451}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 277477200

約数和(自身を除く): 186325380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1451, 1745, 2094, 2902, 3141, 3490, 4188, 4353, 5235, 5804, 6282, 6980, 7255, 8706, 10470, 12564, 13059, 14510, 15705, 17412, 20940, 21765, 26118, 29020, 31410, 43530, 52236, 62820, 65295, 87060, 130590, 261180, 506399, 1012798, 1519197, 2025596, 2531995, 3038394, 4557591, 5063990, 6076788, 7595985, 9115182, 10127980, 15191970, 18230364, 22787955, 30383940, 45575910, 91151820]

約数ペア:

[(1, 91151820), (2, 45575910), (3, 30383940), (4, 22787955), (5, 18230364), (6, 15191970), (9, 10127980), (10, 9115182), (12, 7595985), (15, 6076788), (18, 5063990), (20, 4557591), (30, 3038394), (36, 2531995), (45, 2025596), (60, 1519197), (90, 1012798), (180, 506399), (349, 261180), (698, 130590), (1047, 87060), (1396, 65295), (1451, 62820), (1745, 52236), (2094, 43530), (2902, 31410), (3141, 29020), (3490, 26118), (4188, 21765), (4353, 20940), (5235, 17412), (5804, 15705), (6282, 14510), (6980, 13059), (7255, 12564), (8706, 10470)]