31354980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22721}}^1$

素因数の和:22756

約数の個数: 48

約数和(自身を含む): 91615104

約数和(自身を除く): 60260124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 22721, 45442, 68163, 90884, 113605, 136326, 227210, 272652, 340815, 454420, 522583, 681630, 1045166, 1363260, 1567749, 2090332, 2612915, 3135498, 5225830, 6270996, 7838745, 10451660, 15677490, 31354980]

約数ペア:

[(1, 31354980), (2, 15677490), (3, 10451660), (4, 7838745), (5, 6270996), (6, 5225830), (10, 3135498), (12, 2612915), (15, 2090332), (20, 1567749), (23, 1363260), (30, 1045166), (46, 681630), (60, 522583), (69, 454420), (92, 340815), (115, 272652), (138, 227210), (230, 136326), (276, 113605), (345, 90884), (460, 68163), (690, 45442), (1380, 22721)]