8978760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 34011900

約数和(自身を除く): 25033140

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 509, 588, 630, 735, 840, 882, 980, 1018, 1176, 1260, 1470, 1527, 1764, 1960, 2036, 2205, 2520, 2545, 2940, 3054, 3528, 3563, 4072, 4410, 4581, 5090, 5880, 6108, 7126, 7635, 8820, 9162, 10180, 10689, 12216, 14252, 15270, 17640, 17815, 18324, 20360, 21378, 22905, 24941, 28504, 30540, 32067, 35630, 36648, 42756, 45810, 49882, 53445, 61080, 64134, 71260, 74823, 85512, 91620, 99764, 106890, 124705, 128268, 142520, 149646, 160335, 183240, 199528, 213780, 224469, 249410, 256536, 299292, 320670, 374115, 427560, 448938, 498820, 598584, 641340, 748230, 897876, 997640, 1122345, 1282680, 1496460, 1795752, 2244690, 2992920, 4489380, 8978760]

約数ペア:

[(1, 8978760), (2, 4489380), (3, 2992920), (4, 2244690), (5, 1795752), (6, 1496460), (7, 1282680), (8, 1122345), (9, 997640), (10, 897876), (12, 748230), (14, 641340), (15, 598584), (18, 498820), (20, 448938), (21, 427560), (24, 374115), (28, 320670), (30, 299292), (35, 256536), (36, 249410), (40, 224469), (42, 213780), (45, 199528), (49, 183240), (56, 160335), (60, 149646), (63, 142520), (70, 128268), (72, 124705), (84, 106890), (90, 99764), (98, 91620), (105, 85512), (120, 74823), (126, 71260), (140, 64134), (147, 61080), (168, 53445), (180, 49882), (196, 45810), (210, 42756), (245, 36648), (252, 35630), (280, 32067), (294, 30540), (315, 28504), (360, 24941), (392, 22905), (420, 21378), (441, 20360), (490, 18324), (504, 17815), (509, 17640), (588, 15270), (630, 14252), (735, 12216), (840, 10689), (882, 10180), (980, 9162), (1018, 8820), (1176, 7635), (1260, 7126), (1470, 6108), (1527, 5880), (1764, 5090), (1960, 4581), (2036, 4410), (2205, 4072), (2520, 3563), (2545, 3528), (2940, 3054)]