61421640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73121}}^1$

素因数の和:73142

約数の個数: 64

約数和(自身を含む): 210591360

約数和(自身を除く): 149169720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 73121, 146242, 219363, 292484, 365605, 438726, 511847, 584968, 731210, 877452, 1023694, 1096815, 1462420, 1535541, 1754904, 2047388, 2193630, 2559235, 2924840, 3071082, 4094776, 4387260, 5118470, 6142164, 7677705, 8774520, 10236940, 12284328, 15355410, 20473880, 30710820, 61421640]

約数ペア:

[(1, 61421640), (2, 30710820), (3, 20473880), (4, 15355410), (5, 12284328), (6, 10236940), (7, 8774520), (8, 7677705), (10, 6142164), (12, 5118470), (14, 4387260), (15, 4094776), (20, 3071082), (21, 2924840), (24, 2559235), (28, 2193630), (30, 2047388), (35, 1754904), (40, 1535541), (42, 1462420), (56, 1096815), (60, 1023694), (70, 877452), (84, 731210), (105, 584968), (120, 511847), (140, 438726), (168, 365605), (210, 292484), (280, 219363), (420, 146242), (840, 73121)]