30857720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2024

約数の個数: 64

約数和(自身を含む): 76749120

約数和(自身を除く): 45891400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 1973, 3128, 3910, 3946, 7820, 7892, 9865, 15640, 15784, 19730, 33541, 39460, 45379, 67082, 78920, 90758, 134164, 167705, 181516, 226895, 268328, 335410, 363032, 453790, 670820, 771443, 907580, 1341640, 1542886, 1815160, 3085772, 3857215, 6171544, 7714430, 15428860, 30857720]

約数ペア:

[(1, 30857720), (2, 15428860), (4, 7714430), (5, 6171544), (8, 3857215), (10, 3085772), (17, 1815160), (20, 1542886), (23, 1341640), (34, 907580), (40, 771443), (46, 670820), (68, 453790), (85, 363032), (92, 335410), (115, 268328), (136, 226895), (170, 181516), (184, 167705), (230, 134164), (340, 90758), (391, 78920), (460, 67082), (680, 45379), (782, 39460), (920, 33541), (1564, 19730), (1955, 15784), (1973, 15640), (3128, 9865), (3910, 7892), (3946, 7820)]