2732240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 8015112

約数和(自身を除く): 5282872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 49, 56, 68, 70, 80, 82, 85, 98, 112, 119, 136, 140, 164, 170, 196, 205, 238, 245, 272, 280, 287, 328, 340, 392, 410, 476, 490, 560, 574, 595, 656, 680, 697, 784, 820, 833, 952, 980, 1148, 1190, 1360, 1394, 1435, 1640, 1666, 1904, 1960, 2009, 2296, 2380, 2788, 2870, 3280, 3332, 3485, 3920, 4018, 4165, 4592, 4760, 4879, 5576, 5740, 6664, 6970, 8036, 8330, 9520, 9758, 10045, 11152, 11480, 13328, 13940, 16072, 16660, 19516, 20090, 22960, 24395, 27880, 32144, 33320, 34153, 39032, 40180, 48790, 55760, 66640, 68306, 78064, 80360, 97580, 136612, 160720, 170765, 195160, 273224, 341530, 390320, 546448, 683060, 1366120, 2732240]

約数ペア:

[(1, 2732240), (2, 1366120), (4, 683060), (5, 546448), (7, 390320), (8, 341530), (10, 273224), (14, 195160), (16, 170765), (17, 160720), (20, 136612), (28, 97580), (34, 80360), (35, 78064), (40, 68306), (41, 66640), (49, 55760), (56, 48790), (68, 40180), (70, 39032), (80, 34153), (82, 33320), (85, 32144), (98, 27880), (112, 24395), (119, 22960), (136, 20090), (140, 19516), (164, 16660), (170, 16072), (196, 13940), (205, 13328), (238, 11480), (245, 11152), (272, 10045), (280, 9758), (287, 9520), (328, 8330), (340, 8036), (392, 6970), (410, 6664), (476, 5740), (490, 5576), (560, 4879), (574, 4760), (595, 4592), (656, 4165), (680, 4018), (697, 3920), (784, 3485), (820, 3332), (833, 3280), (952, 2870), (980, 2788), (1148, 2380), (1190, 2296), (1360, 2009), (1394, 1960), (1435, 1904), (1640, 1666)]