80842140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 188051940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 911, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1822, 1972, 2465, 2610, 2733, 2958, 3060, 3644, 4437, 4555, 4930, 5220, 5466, 5916, 7395, 8199, 8874, 9110, 9860, 10932, 13665, 14790, 15487, 16398, 17748, 18220, 22185, 26419, 27330, 29580, 30974, 32796, 40995, 44370, 46461, 52838, 54660, 61948, 77435, 79257, 81990, 88740, 92922, 105676, 132095, 139383, 154870, 158514, 163980, 185844, 232305, 237771, 264190, 278766, 309740, 317028, 396285, 449123, 464610, 475542, 528380, 557532, 696915, 792570, 898246, 929220, 951084, 1188855, 1347369, 1393830, 1585140, 1796492, 2245615, 2377710, 2694738, 2787660, 4042107, 4491230, 4755420, 5389476, 6736845, 8084214, 8982460, 13473690, 16168428, 20210535, 26947380, 40421070, 80842140]

約数ペア:

[(1, 80842140), (2, 40421070), (3, 26947380), (4, 20210535), (5, 16168428), (6, 13473690), (9, 8982460), (10, 8084214), (12, 6736845), (15, 5389476), (17, 4755420), (18, 4491230), (20, 4042107), (29, 2787660), (30, 2694738), (34, 2377710), (36, 2245615), (45, 1796492), (51, 1585140), (58, 1393830), (60, 1347369), (68, 1188855), (85, 951084), (87, 929220), (90, 898246), (102, 792570), (116, 696915), (145, 557532), (153, 528380), (170, 475542), (174, 464610), (180, 449123), (204, 396285), (255, 317028), (261, 309740), (290, 278766), (306, 264190), (340, 237771), (348, 232305), (435, 185844), (493, 163980), (510, 158514), (522, 154870), (580, 139383), (612, 132095), (765, 105676), (870, 92922), (911, 88740), (986, 81990), (1020, 79257), (1044, 77435), (1305, 61948), (1479, 54660), (1530, 52838), (1740, 46461), (1822, 44370), (1972, 40995), (2465, 32796), (2610, 30974), (2733, 29580), (2958, 27330), (3060, 26419), (3644, 22185), (4437, 18220), (4555, 17748), (4930, 16398), (5220, 15487), (5466, 14790), (5916, 13665), (7395, 10932), (8199, 9860), (8874, 9110)]