2452720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 6285312

約数和(自身を除く): 3832592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 43, 46, 62, 80, 86, 92, 115, 124, 155, 172, 184, 215, 230, 248, 310, 344, 368, 430, 460, 496, 620, 688, 713, 860, 920, 989, 1240, 1333, 1426, 1720, 1840, 1978, 2480, 2666, 2852, 3440, 3565, 3956, 4945, 5332, 5704, 6665, 7130, 7912, 9890, 10664, 11408, 13330, 14260, 15824, 19780, 21328, 26660, 28520, 30659, 39560, 53320, 57040, 61318, 79120, 106640, 122636, 153295, 245272, 306590, 490544, 613180, 1226360, 2452720]

約数ペア:

[(1, 2452720), (2, 1226360), (4, 613180), (5, 490544), (8, 306590), (10, 245272), (16, 153295), (20, 122636), (23, 106640), (31, 79120), (40, 61318), (43, 57040), (46, 53320), (62, 39560), (80, 30659), (86, 28520), (92, 26660), (115, 21328), (124, 19780), (155, 15824), (172, 14260), (184, 13330), (215, 11408), (230, 10664), (248, 9890), (310, 7912), (344, 7130), (368, 6665), (430, 5704), (460, 5332), (496, 4945), (620, 3956), (688, 3565), (713, 3440), (860, 2852), (920, 2666), (989, 2480), (1240, 1978), (1333, 1840), (1426, 1720)]