159740980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 429770880

約数和(自身を除く): 270029900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 115, 133, 140, 161, 190, 196, 230, 245, 266, 322, 373, 380, 437, 460, 490, 532, 644, 665, 746, 805, 874, 931, 980, 1127, 1330, 1492, 1610, 1748, 1862, 1865, 2185, 2254, 2611, 2660, 3059, 3220, 3724, 3730, 4370, 4508, 4655, 5222, 5635, 6118, 7087, 7460, 8579, 8740, 9310, 10444, 11270, 12236, 13055, 14174, 15295, 17158, 18277, 18620, 21413, 22540, 26110, 28348, 30590, 34316, 35435, 36554, 42826, 42895, 49609, 52220, 60053, 61180, 70870, 73108, 85652, 85790, 91385, 99218, 107065, 120106, 141740, 163001, 171580, 182770, 198436, 214130, 240212, 248045, 300265, 326002, 347263, 365540, 420371, 428260, 496090, 600530, 652004, 694526, 815005, 840742, 992180, 1141007, 1201060, 1389052, 1630010, 1681484, 1736315, 2101855, 2282014, 3260020, 3472630, 4203710, 4564028, 5705035, 6945260, 7987049, 8407420, 11410070, 15974098, 22820140, 31948196, 39935245, 79870490, 159740980]

約数ペア:

[(1, 159740980), (2, 79870490), (4, 39935245), (5, 31948196), (7, 22820140), (10, 15974098), (14, 11410070), (19, 8407420), (20, 7987049), (23, 6945260), (28, 5705035), (35, 4564028), (38, 4203710), (46, 3472630), (49, 3260020), (70, 2282014), (76, 2101855), (92, 1736315), (95, 1681484), (98, 1630010), (115, 1389052), (133, 1201060), (140, 1141007), (161, 992180), (190, 840742), (196, 815005), (230, 694526), (245, 652004), (266, 600530), (322, 496090), (373, 428260), (380, 420371), (437, 365540), (460, 347263), (490, 326002), (532, 300265), (644, 248045), (665, 240212), (746, 214130), (805, 198436), (874, 182770), (931, 171580), (980, 163001), (1127, 141740), (1330, 120106), (1492, 107065), (1610, 99218), (1748, 91385), (1862, 85790), (1865, 85652), (2185, 73108), (2254, 70870), (2611, 61180), (2660, 60053), (3059, 52220), (3220, 49609), (3724, 42895), (3730, 42826), (4370, 36554), (4508, 35435), (4655, 34316), (5222, 30590), (5635, 28348), (6118, 26110), (7087, 22540), (7460, 21413), (8579, 18620), (8740, 18277), (9310, 17158), (10444, 15295), (11270, 14174), (12236, 13055)]