216316520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 594604800

約数和(自身を除く): 378288280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 133, 140, 146, 152, 190, 266, 280, 292, 365, 380, 511, 532, 557, 584, 665, 730, 760, 1022, 1064, 1114, 1330, 1387, 1460, 2044, 2228, 2555, 2660, 2774, 2785, 2920, 3899, 4088, 4456, 5110, 5320, 5548, 5570, 6935, 7798, 9709, 10220, 10583, 11096, 11140, 13870, 15596, 19418, 19495, 20440, 21166, 22280, 27740, 31192, 38836, 38990, 40661, 42332, 48545, 52915, 55480, 74081, 77672, 77980, 81322, 84664, 97090, 105830, 148162, 155960, 162644, 194180, 203305, 211660, 284627, 296324, 325288, 370405, 388360, 406610, 423320, 569254, 592648, 740810, 772559, 813220, 1138508, 1423135, 1481620, 1545118, 1626440, 2277016, 2846270, 2963240, 3090236, 3862795, 5407913, 5692540, 6180472, 7725590, 10815826, 11385080, 15451180, 21631652, 27039565, 30902360, 43263304, 54079130, 108158260, 216316520]

約数ペア:

[(1, 216316520), (2, 108158260), (4, 54079130), (5, 43263304), (7, 30902360), (8, 27039565), (10, 21631652), (14, 15451180), (19, 11385080), (20, 10815826), (28, 7725590), (35, 6180472), (38, 5692540), (40, 5407913), (56, 3862795), (70, 3090236), (73, 2963240), (76, 2846270), (95, 2277016), (133, 1626440), (140, 1545118), (146, 1481620), (152, 1423135), (190, 1138508), (266, 813220), (280, 772559), (292, 740810), (365, 592648), (380, 569254), (511, 423320), (532, 406610), (557, 388360), (584, 370405), (665, 325288), (730, 296324), (760, 284627), (1022, 211660), (1064, 203305), (1114, 194180), (1330, 162644), (1387, 155960), (1460, 148162), (2044, 105830), (2228, 97090), (2555, 84664), (2660, 81322), (2774, 77980), (2785, 77672), (2920, 74081), (3899, 55480), (4088, 52915), (4456, 48545), (5110, 42332), (5320, 40661), (5548, 38990), (5570, 38836), (6935, 31192), (7798, 27740), (9709, 22280), (10220, 21166), (10583, 20440), (11096, 19495), (11140, 19418), (13870, 15596)]