219124920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{260863}}^1$

素因数の和:260884

約数の個数: 64

約数和(自身を含む): 751288320

約数和(自身を除く): 532163400

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, 260863, 521726, 782589, 1043452, 1304315, 1565178, 1826041, 2086904, 2608630, 3130356, 3652082, 3912945, 5217260, 5478123, 6260712, 7304164, 7825890, 9130205, 10434520, 10956246, 14608328, 15651780, 18260410, 21912492, 27390615, 31303560, 36520820, 43824984, 54781230, 73041640, 109562460, 219124920]

約数ペア:

[(1, 219124920), (2, 109562460), (3, 73041640), (4, 54781230), (5, 43824984), (6, 36520820), (7, 31303560), (8, 27390615), (10, 21912492), (12, 18260410), (14, 15651780), (15, 14608328), (20, 10956246), (21, 10434520), (24, 9130205), (28, 7825890), (30, 7304164), (35, 6260712), (40, 5478123), (42, 5217260), (56, 3912945), (60, 3652082), (70, 3130356), (84, 2608630), (105, 2086904), (120, 1826041), (140, 1565178), (168, 1304315), (210, 1043452), (280, 782589), (420, 521726), (840, 260863)]