78801990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 64

約数和(自身を含む): 199454400

約数和(自身を除く): 120652410

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 53, 58, 87, 106, 145, 159, 174, 265, 290, 318, 435, 530, 795, 870, 1537, 1590, 1709, 3074, 3418, 4611, 5127, 7685, 8545, 9222, 10254, 15370, 17090, 23055, 25635, 46110, 49561, 51270, 90577, 99122, 148683, 181154, 247805, 271731, 297366, 452885, 495610, 543462, 743415, 905770, 1358655, 1486830, 2626733, 2717310, 5253466, 7880199, 13133665, 15760398, 26267330, 39400995, 78801990]

約数ペア:

[(1, 78801990), (2, 39400995), (3, 26267330), (5, 15760398), (6, 13133665), (10, 7880199), (15, 5253466), (29, 2717310), (30, 2626733), (53, 1486830), (58, 1358655), (87, 905770), (106, 743415), (145, 543462), (159, 495610), (174, 452885), (265, 297366), (290, 271731), (318, 247805), (435, 181154), (530, 148683), (795, 99122), (870, 90577), (1537, 51270), (1590, 49561), (1709, 46110), (3074, 25635), (3418, 23055), (4611, 17090), (5127, 15370), (7685, 10254), (8545, 9222)]