121978920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{145213}}^1$

素因数の和:145234

約数の個数: 64

約数和(自身を含む): 418216320

約数和(自身を除く): 296237400

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, 145213, 290426, 435639, 580852, 726065, 871278, 1016491, 1161704, 1452130, 1742556, 2032982, 2178195, 2904260, 3049473, 3485112, 4065964, 4356390, 5082455, 5808520, 6098946, 8131928, 8712780, 10164910, 12197892, 15247365, 17425560, 20329820, 24395784, 30494730, 40659640, 60989460, 121978920]

約数ペア:

[(1, 121978920), (2, 60989460), (3, 40659640), (4, 30494730), (5, 24395784), (6, 20329820), (7, 17425560), (8, 15247365), (10, 12197892), (12, 10164910), (14, 8712780), (15, 8131928), (20, 6098946), (21, 5808520), (24, 5082455), (28, 4356390), (30, 4065964), (35, 3485112), (40, 3049473), (42, 2904260), (56, 2178195), (60, 2032982), (70, 1742556), (84, 1452130), (105, 1161704), (120, 1016491), (140, 871278), (168, 726065), (210, 580852), (280, 435639), (420, 290426), (840, 145213)]