216910720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 597018240

約数和(自身を除く): 380107520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 32, 40, 52, 58, 62, 64, 65, 80, 104, 116, 124, 128, 130, 145, 155, 160, 208, 232, 248, 260, 290, 310, 320, 377, 403, 416, 464, 496, 520, 580, 620, 640, 754, 806, 832, 841, 899, 928, 992, 1040, 1160, 1240, 1508, 1612, 1664, 1682, 1798, 1856, 1885, 1984, 2015, 2080, 2320, 2480, 3016, 3224, 3364, 3596, 3712, 3770, 3968, 4030, 4160, 4205, 4495, 4640, 4960, 6032, 6448, 6728, 7192, 7540, 8060, 8320, 8410, 8990, 9280, 9920, 10933, 11687, 12064, 12896, 13456, 14384, 15080, 16120, 16820, 17980, 18560, 19840, 21866, 23374, 24128, 25792, 26071, 26912, 28768, 30160, 32240, 33640, 35960, 43732, 46748, 48256, 51584, 52142, 53824, 54665, 57536, 58435, 60320, 64480, 67280, 71920, 87464, 93496, 104284, 107648, 109330, 115072, 116870, 120640, 128960, 130355, 134560, 143840, 174928, 186992, 208568, 218660, 233740, 241280, 257920, 260710, 269120, 287680, 338923, 349856, 373984, 417136, 437320, 467480, 521420, 538240, 575360, 677846, 699712, 747968, 834272, 874640, 934960, 1042840, 1355692, 1399424, 1495936, 1668544, 1694615, 1749280, 1869920, 2085680, 2711384, 3337088, 3389230, 3498560, 3739840, 4171360, 5422768, 6778460, 6997120, 7479680, 8342720, 10845536, 13556920, 16685440, 21691072, 27113840, 43382144, 54227680, 108455360, 216910720]

約数ペア:

[(1, 216910720), (2, 108455360), (4, 54227680), (5, 43382144), (8, 27113840), (10, 21691072), (13, 16685440), (16, 13556920), (20, 10845536), (26, 8342720), (29, 7479680), (31, 6997120), (32, 6778460), (40, 5422768), (52, 4171360), (58, 3739840), (62, 3498560), (64, 3389230), (65, 3337088), (80, 2711384), (104, 2085680), (116, 1869920), (124, 1749280), (128, 1694615), (130, 1668544), (145, 1495936), (155, 1399424), (160, 1355692), (208, 1042840), (232, 934960), (248, 874640), (260, 834272), (290, 747968), (310, 699712), (320, 677846), (377, 575360), (403, 538240), (416, 521420), (464, 467480), (496, 437320), (520, 417136), (580, 373984), (620, 349856), (640, 338923), (754, 287680), (806, 269120), (832, 260710), (841, 257920), (899, 241280), (928, 233740), (992, 218660), (1040, 208568), (1160, 186992), (1240, 174928), (1508, 143840), (1612, 134560), (1664, 130355), (1682, 128960), (1798, 120640), (1856, 116870), (1885, 115072), (1984, 109330), (2015, 107648), (2080, 104284), (2320, 93496), (2480, 87464), (3016, 71920), (3224, 67280), (3364, 64480), (3596, 60320), (3712, 58435), (3770, 57536), (3968, 54665), (4030, 53824), (4160, 52142), (4205, 51584), (4495, 48256), (4640, 46748), (4960, 43732), (6032, 35960), (6448, 33640), (6728, 32240), (7192, 30160), (7540, 28768), (8060, 26912), (8320, 26071), (8410, 25792), (8990, 24128), (9280, 23374), (9920, 21866), (10933, 19840), (11687, 18560), (12064, 17980), (12896, 16820), (13456, 16120), (14384, 15080)]