1242581680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{29473}}^1$

素因数の和:29534

約数の個数: 80

約数和(自身を含む): 3157726464

約数和(自身を除く): 1915144784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 21080, 29473, 42160, 58946, 117892, 147365, 235784, 294730, 471568, 501041, 589460, 913663, 1002082, 1178920, 1827326, 2004164, 2357840, 2505205, 3654652, 4008328, 4568315, 5010410, 7309304, 8016656, 9136630, 10020820, 14618608, 15532271, 18273260, 20041640, 31064542, 36546520, 40083280, 62129084, 73093040, 77661355, 124258168, 155322710, 248516336, 310645420, 621290840, 1242581680]

約数ペア:

[(1, 1242581680), (2, 621290840), (4, 310645420), (5, 248516336), (8, 155322710), (10, 124258168), (16, 77661355), (17, 73093040), (20, 62129084), (31, 40083280), (34, 36546520), (40, 31064542), (62, 20041640), (68, 18273260), (80, 15532271), (85, 14618608), (124, 10020820), (136, 9136630), (155, 8016656), (170, 7309304), (248, 5010410), (272, 4568315), (310, 4008328), (340, 3654652), (496, 2505205), (527, 2357840), (620, 2004164), (680, 1827326), (1054, 1178920), (1240, 1002082), (1360, 913663), (2108, 589460), (2480, 501041), (2635, 471568), (4216, 294730), (5270, 235784), (8432, 147365), (10540, 117892), (21080, 58946), (29473, 42160)]