77901990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1483}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 200019456

約数和(自身を除く): 122117466

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 103, 170, 206, 255, 309, 510, 515, 618, 1030, 1483, 1545, 1751, 2966, 3090, 3502, 4449, 5253, 7415, 8755, 8898, 10506, 14830, 17510, 22245, 25211, 26265, 44490, 50422, 52530, 75633, 126055, 151266, 152749, 252110, 305498, 378165, 458247, 756330, 763745, 916494, 1527490, 2291235, 2596733, 4582470, 5193466, 7790199, 12983665, 15580398, 25967330, 38950995, 77901990]

約数ペア:

[(1, 77901990), (2, 38950995), (3, 25967330), (5, 15580398), (6, 12983665), (10, 7790199), (15, 5193466), (17, 4582470), (30, 2596733), (34, 2291235), (51, 1527490), (85, 916494), (102, 763745), (103, 756330), (170, 458247), (206, 378165), (255, 305498), (309, 252110), (510, 152749), (515, 151266), (618, 126055), (1030, 75633), (1483, 52530), (1545, 50422), (1751, 44490), (2966, 26265), (3090, 25211), (3502, 22245), (4449, 17510), (5253, 14830), (7415, 10506), (8755, 8898)]