281572020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 990662400

約数和(自身を除く): 709090380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 29, 30, 34, 36, 38, 45, 51, 57, 58, 60, 68, 76, 85, 87, 90, 95, 102, 114, 116, 145, 153, 167, 170, 171, 174, 180, 190, 204, 228, 255, 261, 285, 290, 306, 323, 334, 340, 342, 348, 380, 435, 493, 501, 510, 522, 551, 570, 580, 612, 646, 668, 684, 765, 835, 855, 870, 969, 986, 1002, 1020, 1044, 1102, 1140, 1292, 1305, 1479, 1503, 1530, 1615, 1653, 1670, 1710, 1740, 1938, 1972, 2004, 2204, 2465, 2505, 2610, 2755, 2839, 2907, 2958, 3006, 3060, 3173, 3230, 3306, 3340, 3420, 3876, 4437, 4843, 4845, 4930, 4959, 5010, 5220, 5510, 5678, 5814, 5916, 6012, 6346, 6460, 6612, 7395, 7515, 8265, 8517, 8874, 9367, 9519, 9686, 9690, 9860, 9918, 10020, 11020, 11356, 11628, 12692, 14195, 14529, 14535, 14790, 15030, 15865, 16530, 17034, 17748, 18734, 19038, 19372, 19380, 19836, 22185, 24215, 24795, 25551, 28101, 28390, 28557, 29058, 29070, 29580, 30060, 31730, 33060, 34068, 37468, 38076, 42585, 43587, 44370, 46835, 47595, 48430, 49590, 51102, 53941, 56202, 56780, 57114, 58116, 58140, 63460, 72645, 82331, 84303, 85170, 87174, 88740, 92017, 93670, 95190, 96860, 99180, 102204, 107882, 112404, 114228, 127755, 140505, 142785, 145290, 161823, 164662, 168606, 170340, 174348, 184034, 187340, 190380, 215764, 217935, 246993, 255510, 269705, 276051, 281010, 285570, 290580, 323646, 329324, 337212, 368068, 411655, 421515, 435870, 460085, 485469, 493986, 511020, 539410, 552102, 562020, 571140, 647292, 740979, 809115, 823310, 828153, 843030, 871740, 920170, 970938, 987972, 1078820, 1104204, 1234965, 1380255, 1481958, 1564289, 1618230, 1646620, 1656306, 1686060, 1840340, 1941876, 2427345, 2469930, 2760510, 2963916, 3128578, 3236460, 3312612, 3704895, 4140765, 4692867, 4854690, 4939860, 5521020, 6257156, 7409790, 7821445, 8281530, 9385734, 9709380, 14078601, 14819580, 15642890, 16563060, 18771468, 23464335, 28157202, 31285780, 46928670, 56314404, 70393005, 93857340, 140786010, 281572020]

約数ペア:

[(1, 281572020), (2, 140786010), (3, 93857340), (4, 70393005), (5, 56314404), (6, 46928670), (9, 31285780), (10, 28157202), (12, 23464335), (15, 18771468), (17, 16563060), (18, 15642890), (19, 14819580), (20, 14078601), (29, 9709380), (30, 9385734), (34, 8281530), (36, 7821445), (38, 7409790), (45, 6257156), (51, 5521020), (57, 4939860), (58, 4854690), (60, 4692867), (68, 4140765), (76, 3704895), (85, 3312612), (87, 3236460), (90, 3128578), (95, 2963916), (102, 2760510), (114, 2469930), (116, 2427345), (145, 1941876), (153, 1840340), (167, 1686060), (170, 1656306), (171, 1646620), (174, 1618230), (180, 1564289), (190, 1481958), (204, 1380255), (228, 1234965), (255, 1104204), (261, 1078820), (285, 987972), (290, 970938), (306, 920170), (323, 871740), (334, 843030), (340, 828153), (342, 823310), (348, 809115), (380, 740979), (435, 647292), (493, 571140), (501, 562020), (510, 552102), (522, 539410), (551, 511020), (570, 493986), (580, 485469), (612, 460085), (646, 435870), (668, 421515), (684, 411655), (765, 368068), (835, 337212), (855, 329324), (870, 323646), (969, 290580), (986, 285570), (1002, 281010), (1020, 276051), (1044, 269705), (1102, 255510), (1140, 246993), (1292, 217935), (1305, 215764), (1479, 190380), (1503, 187340), (1530, 184034), (1615, 174348), (1653, 170340), (1670, 168606), (1710, 164662), (1740, 161823), (1938, 145290), (1972, 142785), (2004, 140505), (2204, 127755), (2465, 114228), (2505, 112404), (2610, 107882), (2755, 102204), (2839, 99180), (2907, 96860), (2958, 95190), (3006, 93670), (3060, 92017), (3173, 88740), (3230, 87174), (3306, 85170), (3340, 84303), (3420, 82331), (3876, 72645), (4437, 63460), (4843, 58140), (4845, 58116), (4930, 57114), (4959, 56780), (5010, 56202), (5220, 53941), (5510, 51102), (5678, 49590), (5814, 48430), (5916, 47595), (6012, 46835), (6346, 44370), (6460, 43587), (6612, 42585), (7395, 38076), (7515, 37468), (8265, 34068), (8517, 33060), (8874, 31730), (9367, 30060), (9519, 29580), (9686, 29070), (9690, 29058), (9860, 28557), (9918, 28390), (10020, 28101), (11020, 25551), (11356, 24795), (11628, 24215), (12692, 22185), (14195, 19836), (14529, 19380), (14535, 19372), (14790, 19038), (15030, 18734), (15865, 17748), (16530, 17034)]