261442440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{14821}}^1$

素因数の和:14852

約数の個数: 144

約数和(自身を含む): 988479180

約数和(自身を除く): 727036740

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, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 14821, 17640, 29642, 44463, 59284, 74105, 88926, 103747, 118568, 133389, 148210, 177852, 207494, 222315, 266778, 296420, 311241, 355704, 414988, 444630, 518735, 533556, 592840, 622482, 666945, 726229, 829976, 889260, 933723, 1037470, 1067112, 1244964, 1333890, 1452458, 1556205, 1778520, 1867446, 2074940, 2178687, 2489928, 2667780, 2904916, 3112410, 3631145, 3734892, 4149880, 4357374, 4668615, 5335560, 5809832, 6224820, 6536061, 7262290, 7469784, 8714748, 9337230, 10893435, 12449640, 13072122, 14524580, 17429496, 18674460, 21786870, 26144244, 29049160, 32680305, 37348920, 43573740, 52288488, 65360610, 87147480, 130721220, 261442440]

約数ペア:

[(1, 261442440), (2, 130721220), (3, 87147480), (4, 65360610), (5, 52288488), (6, 43573740), (7, 37348920), (8, 32680305), (9, 29049160), (10, 26144244), (12, 21786870), (14, 18674460), (15, 17429496), (18, 14524580), (20, 13072122), (21, 12449640), (24, 10893435), (28, 9337230), (30, 8714748), (35, 7469784), (36, 7262290), (40, 6536061), (42, 6224820), (45, 5809832), (49, 5335560), (56, 4668615), (60, 4357374), (63, 4149880), (70, 3734892), (72, 3631145), (84, 3112410), (90, 2904916), (98, 2667780), (105, 2489928), (120, 2178687), (126, 2074940), (140, 1867446), (147, 1778520), (168, 1556205), (180, 1452458), (196, 1333890), (210, 1244964), (245, 1067112), (252, 1037470), (280, 933723), (294, 889260), (315, 829976), (360, 726229), (392, 666945), (420, 622482), (441, 592840), (490, 533556), (504, 518735), (588, 444630), (630, 414988), (735, 355704), (840, 311241), (882, 296420), (980, 266778), (1176, 222315), (1260, 207494), (1470, 177852), (1764, 148210), (1960, 133389), (2205, 118568), (2520, 103747), (2940, 88926), (3528, 74105), (4410, 59284), (5880, 44463), (8820, 29642), (14821, 17640)]