1990484280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3769}}^1$

素因数の和:3955

約数の個数: 160

約数和(自身を含む): 6733069200

約数和(自身を除く): 4742584920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 163, 180, 216, 270, 324, 326, 360, 405, 489, 540, 648, 652, 810, 815, 978, 1080, 1304, 1467, 1620, 1630, 1956, 2445, 2934, 3240, 3260, 3769, 3912, 4401, 4890, 5868, 6520, 7335, 7538, 8802, 9780, 11307, 11736, 13203, 14670, 15076, 17604, 18845, 19560, 22005, 22614, 26406, 29340, 30152, 33921, 35208, 37690, 44010, 45228, 52812, 56535, 58680, 66015, 67842, 75380, 88020, 90456, 101763, 105624, 113070, 132030, 135684, 150760, 169605, 176040, 203526, 226140, 264060, 271368, 305289, 339210, 407052, 452280, 508815, 528120, 610578, 614347, 678420, 814104, 1017630, 1221156, 1228694, 1356840, 1526445, 1843041, 2035260, 2442312, 2457388, 3052890, 3071735, 3686082, 4070520, 4914776, 5529123, 6105780, 6143470, 7372164, 9215205, 11058246, 12211560, 12286940, 14744328, 16587369, 18430410, 22116492, 24573880, 27645615, 33174738, 36860820, 44232984, 49762107, 55291230, 66349476, 73721640, 82936845, 99524214, 110582460, 132698952, 165873690, 199048428, 221164920, 248810535, 331747380, 398096856, 497621070, 663494760, 995242140, 1990484280]

約数ペア:

[(1, 1990484280), (2, 995242140), (3, 663494760), (4, 497621070), (5, 398096856), (6, 331747380), (8, 248810535), (9, 221164920), (10, 199048428), (12, 165873690), (15, 132698952), (18, 110582460), (20, 99524214), (24, 82936845), (27, 73721640), (30, 66349476), (36, 55291230), (40, 49762107), (45, 44232984), (54, 36860820), (60, 33174738), (72, 27645615), (81, 24573880), (90, 22116492), (108, 18430410), (120, 16587369), (135, 14744328), (162, 12286940), (163, 12211560), (180, 11058246), (216, 9215205), (270, 7372164), (324, 6143470), (326, 6105780), (360, 5529123), (405, 4914776), (489, 4070520), (540, 3686082), (648, 3071735), (652, 3052890), (810, 2457388), (815, 2442312), (978, 2035260), (1080, 1843041), (1304, 1526445), (1467, 1356840), (1620, 1228694), (1630, 1221156), (1956, 1017630), (2445, 814104), (2934, 678420), (3240, 614347), (3260, 610578), (3769, 528120), (3912, 508815), (4401, 452280), (4890, 407052), (5868, 339210), (6520, 305289), (7335, 271368), (7538, 264060), (8802, 226140), (9780, 203526), (11307, 176040), (11736, 169605), (13203, 150760), (14670, 135684), (15076, 132030), (17604, 113070), (18845, 105624), (19560, 101763), (22005, 90456), (22614, 88020), (26406, 75380), (29340, 67842), (30152, 66015), (33921, 58680), (35208, 56535), (37690, 52812), (44010, 45228)]