7784720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 19379712

約数和(自身を除く): 11594992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 73, 80, 86, 124, 146, 155, 172, 215, 248, 292, 310, 344, 365, 430, 496, 584, 620, 688, 730, 860, 1168, 1240, 1333, 1460, 1720, 2263, 2480, 2666, 2920, 3139, 3440, 4526, 5332, 5840, 6278, 6665, 9052, 10664, 11315, 12556, 13330, 15695, 18104, 21328, 22630, 25112, 26660, 31390, 36208, 45260, 50224, 53320, 62780, 90520, 97309, 106640, 125560, 181040, 194618, 251120, 389236, 486545, 778472, 973090, 1556944, 1946180, 3892360, 7784720]

約数ペア:

[(1, 7784720), (2, 3892360), (4, 1946180), (5, 1556944), (8, 973090), (10, 778472), (16, 486545), (20, 389236), (31, 251120), (40, 194618), (43, 181040), (62, 125560), (73, 106640), (80, 97309), (86, 90520), (124, 62780), (146, 53320), (155, 50224), (172, 45260), (215, 36208), (248, 31390), (292, 26660), (310, 25112), (344, 22630), (365, 21328), (430, 18104), (496, 15695), (584, 13330), (620, 12556), (688, 11315), (730, 10664), (860, 9052), (1168, 6665), (1240, 6278), (1333, 5840), (1460, 5332), (1720, 4526), (2263, 3440), (2480, 3139), (2666, 2920)]