243921720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{290383}}^1$

素因数の和:290404

約数の個数: 64

約数和(自身を含む): 836305920

約数和(自身を除く): 592384200

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, 290383, 580766, 871149, 1161532, 1451915, 1742298, 2032681, 2323064, 2903830, 3484596, 4065362, 4355745, 5807660, 6098043, 6969192, 8130724, 8711490, 10163405, 11615320, 12196086, 16261448, 17422980, 20326810, 24392172, 30490215, 34845960, 40653620, 48784344, 60980430, 81307240, 121960860, 243921720]

約数ペア:

[(1, 243921720), (2, 121960860), (3, 81307240), (4, 60980430), (5, 48784344), (6, 40653620), (7, 34845960), (8, 30490215), (10, 24392172), (12, 20326810), (14, 17422980), (15, 16261448), (20, 12196086), (21, 11615320), (24, 10163405), (28, 8711490), (30, 8130724), (35, 6969192), (40, 6098043), (42, 5807660), (56, 4355745), (60, 4065362), (70, 3484596), (84, 2903830), (105, 2323064), (120, 2032681), (140, 1742298), (168, 1451915), (210, 1161532), (280, 871149), (420, 580766), (840, 290383)]