281956560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2383}}^1$

素因数の和:2445

約数の個数: 160

約数和(自身を含む): 957795840

約数和(自身を除く): 675839280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 240, 255, 272, 290, 340, 348, 408, 435, 464, 493, 510, 580, 680, 696, 816, 870, 986, 1020, 1160, 1360, 1392, 1479, 1740, 1972, 2040, 2320, 2383, 2465, 2958, 3480, 3944, 4080, 4766, 4930, 5916, 6960, 7149, 7395, 7888, 9532, 9860, 11832, 11915, 14298, 14790, 19064, 19720, 23664, 23830, 28596, 29580, 35745, 38128, 39440, 40511, 47660, 57192, 59160, 69107, 71490, 81022, 95320, 114384, 118320, 121533, 138214, 142980, 162044, 190640, 202555, 207321, 243066, 276428, 285960, 324088, 345535, 405110, 414642, 486132, 552856, 571920, 607665, 648176, 691070, 810220, 829284, 972264, 1036605, 1105712, 1174819, 1215330, 1382140, 1620440, 1658568, 1944528, 2073210, 2349638, 2430660, 2764280, 3240880, 3317136, 3524457, 4146420, 4699276, 4861320, 5528560, 5874095, 7048914, 8292840, 9398552, 9722640, 11748190, 14097828, 16585680, 17622285, 18797104, 23496380, 28195656, 35244570, 46992760, 56391312, 70489140, 93985520, 140978280, 281956560]

約数ペア:

[(1, 281956560), (2, 140978280), (3, 93985520), (4, 70489140), (5, 56391312), (6, 46992760), (8, 35244570), (10, 28195656), (12, 23496380), (15, 18797104), (16, 17622285), (17, 16585680), (20, 14097828), (24, 11748190), (29, 9722640), (30, 9398552), (34, 8292840), (40, 7048914), (48, 5874095), (51, 5528560), (58, 4861320), (60, 4699276), (68, 4146420), (80, 3524457), (85, 3317136), (87, 3240880), (102, 2764280), (116, 2430660), (120, 2349638), (136, 2073210), (145, 1944528), (170, 1658568), (174, 1620440), (204, 1382140), (232, 1215330), (240, 1174819), (255, 1105712), (272, 1036605), (290, 972264), (340, 829284), (348, 810220), (408, 691070), (435, 648176), (464, 607665), (493, 571920), (510, 552856), (580, 486132), (680, 414642), (696, 405110), (816, 345535), (870, 324088), (986, 285960), (1020, 276428), (1160, 243066), (1360, 207321), (1392, 202555), (1479, 190640), (1740, 162044), (1972, 142980), (2040, 138214), (2320, 121533), (2383, 118320), (2465, 114384), (2958, 95320), (3480, 81022), (3944, 71490), (4080, 69107), (4766, 59160), (4930, 57192), (5916, 47660), (6960, 40511), (7149, 39440), (7395, 38128), (7888, 35745), (9532, 29580), (9860, 28596), (11832, 23830), (11915, 23664), (14298, 19720), (14790, 19064)]