30970680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19880

約数の個数: 64

約数和(自身を含む): 100064160

約数和(自身を除く): 69093480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 198530, 238236, 258089, 297795, 397060, 476472, 516178, 595590, 774267, 794120, 1032356, 1191180, 1290445, 1548534, 2064712, 2382360, 2580890, 3097068, 3871335, 5161780, 6194136, 7742670, 10323560, 15485340, 30970680]

約数ペア:

[(1, 30970680), (2, 15485340), (3, 10323560), (4, 7742670), (5, 6194136), (6, 5161780), (8, 3871335), (10, 3097068), (12, 2580890), (13, 2382360), (15, 2064712), (20, 1548534), (24, 1290445), (26, 1191180), (30, 1032356), (39, 794120), (40, 774267), (52, 595590), (60, 516178), (65, 476472), (78, 397060), (104, 297795), (120, 258089), (130, 238236), (156, 198530), (195, 158824), (260, 119118), (312, 99265), (390, 79412), (520, 59559), (780, 39706), (1560, 19853)]