128900940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 192

約数和(自身を含む): 449971200

約数和(自身を除く): 321070260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 57, 58, 60, 70, 76, 84, 87, 95, 105, 114, 116, 133, 140, 145, 174, 190, 203, 210, 228, 266, 285, 290, 348, 380, 399, 406, 420, 435, 532, 551, 557, 570, 580, 609, 665, 798, 812, 870, 1015, 1102, 1114, 1140, 1218, 1330, 1596, 1653, 1671, 1740, 1995, 2030, 2204, 2228, 2436, 2660, 2755, 2785, 3045, 3306, 3342, 3857, 3899, 3990, 4060, 5510, 5570, 6090, 6612, 6684, 7714, 7798, 7980, 8265, 8355, 10583, 11020, 11140, 11571, 11697, 12180, 15428, 15596, 16153, 16530, 16710, 19285, 19495, 21166, 23142, 23394, 31749, 32306, 33060, 33420, 38570, 38990, 42332, 46284, 46788, 48459, 52915, 57855, 58485, 63498, 64612, 74081, 77140, 77980, 80765, 96918, 105830, 113071, 115710, 116970, 126996, 148162, 158745, 161530, 193836, 211660, 222243, 226142, 231420, 233940, 242295, 296324, 306907, 317490, 323060, 339213, 370405, 444486, 452284, 484590, 565355, 613814, 634980, 678426, 740810, 888972, 920721, 969180, 1111215, 1130710, 1227628, 1356852, 1481620, 1534535, 1696065, 1841442, 2148349, 2222430, 2261420, 3069070, 3392130, 3682884, 4296698, 4444860, 4603605, 6138140, 6445047, 6784260, 8593396, 9207210, 10741745, 12890094, 18414420, 21483490, 25780188, 32225235, 42966980, 64450470, 128900940]

約数ペア:

[(1, 128900940), (2, 64450470), (3, 42966980), (4, 32225235), (5, 25780188), (6, 21483490), (7, 18414420), (10, 12890094), (12, 10741745), (14, 9207210), (15, 8593396), (19, 6784260), (20, 6445047), (21, 6138140), (28, 4603605), (29, 4444860), (30, 4296698), (35, 3682884), (38, 3392130), (42, 3069070), (57, 2261420), (58, 2222430), (60, 2148349), (70, 1841442), (76, 1696065), (84, 1534535), (87, 1481620), (95, 1356852), (105, 1227628), (114, 1130710), (116, 1111215), (133, 969180), (140, 920721), (145, 888972), (174, 740810), (190, 678426), (203, 634980), (210, 613814), (228, 565355), (266, 484590), (285, 452284), (290, 444486), (348, 370405), (380, 339213), (399, 323060), (406, 317490), (420, 306907), (435, 296324), (532, 242295), (551, 233940), (557, 231420), (570, 226142), (580, 222243), (609, 211660), (665, 193836), (798, 161530), (812, 158745), (870, 148162), (1015, 126996), (1102, 116970), (1114, 115710), (1140, 113071), (1218, 105830), (1330, 96918), (1596, 80765), (1653, 77980), (1671, 77140), (1740, 74081), (1995, 64612), (2030, 63498), (2204, 58485), (2228, 57855), (2436, 52915), (2660, 48459), (2755, 46788), (2785, 46284), (3045, 42332), (3306, 38990), (3342, 38570), (3857, 33420), (3899, 33060), (3990, 32306), (4060, 31749), (5510, 23394), (5570, 23142), (6090, 21166), (6612, 19495), (6684, 19285), (7714, 16710), (7798, 16530), (7980, 16153), (8265, 15596), (8355, 15428), (10583, 12180), (11020, 11697), (11140, 11571)]