20172089970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:925

約数の個数: 192

約数和(自身を含む): 55935360000

約数和(自身を除く): 35763270030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 59, 69, 90, 115, 118, 138, 177, 207, 230, 295, 331, 345, 354, 414, 499, 531, 590, 662, 690, 885, 993, 998, 1035, 1062, 1357, 1497, 1655, 1770, 1986, 2070, 2495, 2655, 2714, 2979, 2994, 3310, 4071, 4491, 4965, 4990, 5310, 5958, 6785, 7485, 7613, 8142, 8982, 9930, 11477, 12213, 13570, 14895, 14970, 15226, 19529, 20355, 22455, 22839, 22954, 24426, 29441, 29790, 34431, 38065, 39058, 40710, 44910, 45678, 57385, 58587, 58882, 61065, 68517, 68862, 76130, 88323, 97645, 103293, 114195, 114770, 117174, 122130, 137034, 147205, 165169, 172155, 175761, 176646, 195290, 206586, 228390, 264969, 292935, 294410, 330338, 342585, 344310, 351522, 441615, 449167, 495507, 516465, 529938, 585870, 677143, 685170, 825845, 878805, 883230, 898334, 991014, 1032930, 1324845, 1347501, 1354286, 1486521, 1651690, 1757610, 2031429, 2245835, 2477535, 2649690, 2695002, 2973042, 3385715, 3798887, 4042503, 4062858, 4491670, 4955070, 6094287, 6737505, 6771430, 7432605, 7597774, 8085006, 9744971, 10157145, 11396661, 12188574, 13475010, 14865210, 18994435, 19489942, 20212515, 20314290, 22793322, 29234913, 30471435, 34189983, 37988870, 40425030, 48724855, 56983305, 58469826, 60942870, 68379966, 87704739, 97449710, 113966610, 146174565, 170949915, 175409478, 224134333, 292349130, 341899830, 438523695, 448268666, 672402999, 877047390, 1120671665, 1344805998, 2017208997, 2241343330, 3362014995, 4034417994, 6724029990, 10086044985, 20172089970]

約数ペア:

[(1, 20172089970), (2, 10086044985), (3, 6724029990), (5, 4034417994), (6, 3362014995), (9, 2241343330), (10, 2017208997), (15, 1344805998), (18, 1120671665), (23, 877047390), (30, 672402999), (45, 448268666), (46, 438523695), (59, 341899830), (69, 292349130), (90, 224134333), (115, 175409478), (118, 170949915), (138, 146174565), (177, 113966610), (207, 97449710), (230, 87704739), (295, 68379966), (331, 60942870), (345, 58469826), (354, 56983305), (414, 48724855), (499, 40425030), (531, 37988870), (590, 34189983), (662, 30471435), (690, 29234913), (885, 22793322), (993, 20314290), (998, 20212515), (1035, 19489942), (1062, 18994435), (1357, 14865210), (1497, 13475010), (1655, 12188574), (1770, 11396661), (1986, 10157145), (2070, 9744971), (2495, 8085006), (2655, 7597774), (2714, 7432605), (2979, 6771430), (2994, 6737505), (3310, 6094287), (4071, 4955070), (4491, 4491670), (4965, 4062858), (4990, 4042503), (5310, 3798887), (5958, 3385715), (6785, 2973042), (7485, 2695002), (7613, 2649690), (8142, 2477535), (8982, 2245835), (9930, 2031429), (11477, 1757610), (12213, 1651690), (13570, 1486521), (14895, 1354286), (14970, 1347501), (15226, 1324845), (19529, 1032930), (20355, 991014), (22455, 898334), (22839, 883230), (22954, 878805), (24426, 825845), (29441, 685170), (29790, 677143), (34431, 585870), (38065, 529938), (39058, 516465), (40710, 495507), (44910, 449167), (45678, 441615), (57385, 351522), (58587, 344310), (58882, 342585), (61065, 330338), (68517, 294410), (68862, 292935), (76130, 264969), (88323, 228390), (97645, 206586), (103293, 195290), (114195, 176646), (114770, 175761), (117174, 172155), (122130, 165169), (137034, 147205)]