257947560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55117}}^1$

素因数の和:55147

約数の個数: 96

約数和(自身を含む): 902832840

約数和(自身を除く): 644885280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 55117, 110234, 165351, 220468, 275585, 330702, 440936, 496053, 551170, 661404, 716521, 826755, 992106, 1102340, 1322808, 1433042, 1653510, 1984212, 2149563, 2204680, 2480265, 2866084, 3307020, 3582605, 3968424, 4299126, 4960530, 5732168, 6448689, 6614040, 7165210, 8598252, 9921060, 10747815, 12897378, 14330420, 17196504, 19842120, 21495630, 25794756, 28660840, 32243445, 42991260, 51589512, 64486890, 85982520, 128973780, 257947560]

約数ペア:

[(1, 257947560), (2, 128973780), (3, 85982520), (4, 64486890), (5, 51589512), (6, 42991260), (8, 32243445), (9, 28660840), (10, 25794756), (12, 21495630), (13, 19842120), (15, 17196504), (18, 14330420), (20, 12897378), (24, 10747815), (26, 9921060), (30, 8598252), (36, 7165210), (39, 6614040), (40, 6448689), (45, 5732168), (52, 4960530), (60, 4299126), (65, 3968424), (72, 3582605), (78, 3307020), (90, 2866084), (104, 2480265), (117, 2204680), (120, 2149563), (130, 1984212), (156, 1653510), (180, 1433042), (195, 1322808), (234, 1102340), (260, 992106), (312, 826755), (360, 716521), (390, 661404), (468, 551170), (520, 496053), (585, 440936), (780, 330702), (936, 275585), (1170, 220468), (1560, 165351), (2340, 110234), (4680, 55117)]