218456280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86689}}^1$

素因数の和:86713

約数の個数: 96

約数和(自身を含む): 811418400

約数和(自身を除く): 592962120

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, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86689, 173378, 260067, 346756, 433445, 520134, 606823, 693512, 780201, 866890, 1040268, 1213646, 1300335, 1560402, 1733780, 1820469, 2080536, 2427292, 2600670, 3034115, 3120804, 3467560, 3640938, 3901005, 4854584, 5201340, 5461407, 6068230, 6241608, 7281876, 7802010, 9102345, 10402680, 10922814, 12136460, 14563752, 15604020, 18204690, 21845628, 24272920, 27307035, 31208040, 36409380, 43691256, 54614070, 72818760, 109228140, 218456280]

約数ペア:

[(1, 218456280), (2, 109228140), (3, 72818760), (4, 54614070), (5, 43691256), (6, 36409380), (7, 31208040), (8, 27307035), (9, 24272920), (10, 21845628), (12, 18204690), (14, 15604020), (15, 14563752), (18, 12136460), (20, 10922814), (21, 10402680), (24, 9102345), (28, 7802010), (30, 7281876), (35, 6241608), (36, 6068230), (40, 5461407), (42, 5201340), (45, 4854584), (56, 3901005), (60, 3640938), (63, 3467560), (70, 3120804), (72, 3034115), (84, 2600670), (90, 2427292), (105, 2080536), (120, 1820469), (126, 1733780), (140, 1560402), (168, 1300335), (180, 1213646), (210, 1040268), (252, 866890), (280, 780201), (315, 693512), (360, 606823), (420, 520134), (504, 433445), (630, 346756), (840, 260067), (1260, 173378), (2520, 86689)]