242896640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{27109}}^1$

素因数の和:27137

約数の個数: 72

約数和(自身を含む): 664954080

約数和(自身を除く): 422057440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 27109, 54218, 108436, 135545, 189763, 216872, 271090, 379526, 433744, 542180, 759052, 867488, 948815, 1084360, 1518104, 1734976, 1897630, 2168720, 3036208, 3469952, 3795260, 4337440, 6072416, 6939904, 7590520, 8674880, 12144832, 15181040, 17349760, 24289664, 30362080, 34699520, 48579328, 60724160, 121448320, 242896640]

約数ペア:

[(1, 242896640), (2, 121448320), (4, 60724160), (5, 48579328), (7, 34699520), (8, 30362080), (10, 24289664), (14, 17349760), (16, 15181040), (20, 12144832), (28, 8674880), (32, 7590520), (35, 6939904), (40, 6072416), (56, 4337440), (64, 3795260), (70, 3469952), (80, 3036208), (112, 2168720), (128, 1897630), (140, 1734976), (160, 1518104), (224, 1084360), (256, 948815), (280, 867488), (320, 759052), (448, 542180), (560, 433744), (640, 379526), (896, 271090), (1120, 216872), (1280, 189763), (1792, 135545), (2240, 108436), (4480, 54218), (8960, 27109)]