217696920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{259163}}^1$

素因数の和:259184

約数の個数: 64

約数和(自身を含む): 746392320

約数和(自身を除く): 528695400

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, 259163, 518326, 777489, 1036652, 1295815, 1554978, 1814141, 2073304, 2591630, 3109956, 3628282, 3887445, 5183260, 5442423, 6219912, 7256564, 7774890, 9070705, 10366520, 10884846, 14513128, 15549780, 18141410, 21769692, 27212115, 31099560, 36282820, 43539384, 54424230, 72565640, 108848460, 217696920]

約数ペア:

[(1, 217696920), (2, 108848460), (3, 72565640), (4, 54424230), (5, 43539384), (6, 36282820), (7, 31099560), (8, 27212115), (10, 21769692), (12, 18141410), (14, 15549780), (15, 14513128), (20, 10884846), (21, 10366520), (24, 9070705), (28, 7774890), (30, 7256564), (35, 6219912), (40, 5442423), (42, 5183260), (56, 3887445), (60, 3628282), (70, 3109956), (84, 2591630), (105, 2073304), (120, 1814141), (140, 1554978), (168, 1295815), (210, 1036652), (280, 777489), (420, 518326), (840, 259163)]