215699680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 605797920

約数和(自身を除く): 390098240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 229, 232, 280, 290, 406, 458, 464, 560, 580, 812, 841, 916, 928, 1015, 1120, 1145, 1160, 1603, 1624, 1682, 1832, 2030, 2290, 2320, 3206, 3248, 3364, 3664, 4060, 4205, 4580, 4640, 5887, 6412, 6496, 6641, 6728, 7328, 8015, 8120, 8410, 9160, 11774, 12824, 13282, 13456, 16030, 16240, 16820, 18320, 23548, 25648, 26564, 26912, 29435, 32060, 32480, 33205, 33640, 36640, 46487, 47096, 51296, 53128, 58870, 64120, 66410, 67280, 92974, 94192, 106256, 117740, 128240, 132820, 134560, 185948, 188384, 192589, 212512, 232435, 235480, 256480, 265640, 371896, 385178, 464870, 470960, 531280, 743792, 770356, 929740, 941920, 962945, 1062560, 1348123, 1487584, 1540712, 1859480, 1925890, 2696246, 3081424, 3718960, 3851780, 5392492, 6162848, 6740615, 7437920, 7703560, 10784984, 13481230, 15407120, 21569968, 26962460, 30814240, 43139936, 53924920, 107849840, 215699680]

約数ペア:

[(1, 215699680), (2, 107849840), (4, 53924920), (5, 43139936), (7, 30814240), (8, 26962460), (10, 21569968), (14, 15407120), (16, 13481230), (20, 10784984), (28, 7703560), (29, 7437920), (32, 6740615), (35, 6162848), (40, 5392492), (56, 3851780), (58, 3718960), (70, 3081424), (80, 2696246), (112, 1925890), (116, 1859480), (140, 1540712), (145, 1487584), (160, 1348123), (203, 1062560), (224, 962945), (229, 941920), (232, 929740), (280, 770356), (290, 743792), (406, 531280), (458, 470960), (464, 464870), (560, 385178), (580, 371896), (812, 265640), (841, 256480), (916, 235480), (928, 232435), (1015, 212512), (1120, 192589), (1145, 188384), (1160, 185948), (1603, 134560), (1624, 132820), (1682, 128240), (1832, 117740), (2030, 106256), (2290, 94192), (2320, 92974), (3206, 67280), (3248, 66410), (3364, 64120), (3664, 58870), (4060, 53128), (4205, 51296), (4580, 47096), (4640, 46487), (5887, 36640), (6412, 33640), (6496, 33205), (6641, 32480), (6728, 32060), (7328, 29435), (8015, 26912), (8120, 26564), (8410, 25648), (9160, 23548), (11774, 18320), (12824, 16820), (13282, 16240), (13456, 16030)]