28858320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 97929000

約数和(自身を除く): 69070680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 240, 269, 298, 360, 447, 538, 596, 720, 745, 807, 894, 1076, 1192, 1341, 1345, 1490, 1614, 1788, 2152, 2235, 2384, 2421, 2682, 2690, 2980, 3228, 3576, 4035, 4304, 4470, 4842, 5364, 5380, 5960, 6456, 6705, 7152, 8070, 8940, 9684, 10728, 10760, 11920, 12105, 12912, 13410, 16140, 17880, 19368, 21456, 21520, 24210, 26820, 32280, 35760, 38736, 40081, 48420, 53640, 64560, 80162, 96840, 107280, 120243, 160324, 193680, 200405, 240486, 320648, 360729, 400810, 480972, 601215, 641296, 721458, 801620, 961944, 1202430, 1442916, 1603240, 1803645, 1923888, 2404860, 2885832, 3206480, 3607290, 4809720, 5771664, 7214580, 9619440, 14429160, 28858320]

約数ペア:

[(1, 28858320), (2, 14429160), (3, 9619440), (4, 7214580), (5, 5771664), (6, 4809720), (8, 3607290), (9, 3206480), (10, 2885832), (12, 2404860), (15, 1923888), (16, 1803645), (18, 1603240), (20, 1442916), (24, 1202430), (30, 961944), (36, 801620), (40, 721458), (45, 641296), (48, 601215), (60, 480972), (72, 400810), (80, 360729), (90, 320648), (120, 240486), (144, 200405), (149, 193680), (180, 160324), (240, 120243), (269, 107280), (298, 96840), (360, 80162), (447, 64560), (538, 53640), (596, 48420), (720, 40081), (745, 38736), (807, 35760), (894, 32280), (1076, 26820), (1192, 24210), (1341, 21520), (1345, 21456), (1490, 19368), (1614, 17880), (1788, 16140), (2152, 13410), (2235, 12912), (2384, 12105), (2421, 11920), (2682, 10760), (2690, 10728), (2980, 9684), (3228, 8940), (3576, 8070), (4035, 7152), (4304, 6705), (4470, 6456), (4842, 5960), (5364, 5380)]