28974240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:396

約数の個数: 192

約数和(自身を含む): 107049600

約数和(自身を除く): 78075360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 353, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 706, 720, 760, 855, 864, 912, 1026, 1059, 1080, 1140, 1368, 1412, 1440, 1520, 1710, 1765, 1824, 2052, 2118, 2160, 2280, 2565, 2736, 2824, 3040, 3177, 3420, 3530, 4104, 4236, 4320, 4560, 5130, 5295, 5472, 5648, 6354, 6707, 6840, 7060, 8208, 8472, 9120, 9531, 10260, 10590, 11296, 12708, 13414, 13680, 14120, 15885, 16416, 16944, 19062, 20121, 20520, 21180, 25416, 26828, 27360, 28240, 31770, 33535, 33888, 38124, 40242, 41040, 42360, 47655, 50832, 53656, 56480, 60363, 63540, 67070, 76248, 80484, 82080, 84720, 95310, 100605, 101664, 107312, 120726, 127080, 134140, 152496, 160968, 169440, 181089, 190620, 201210, 214624, 241452, 254160, 268280, 301815, 304992, 321936, 362178, 381240, 402420, 482904, 508320, 536560, 603630, 643872, 724356, 762480, 804840, 905445, 965808, 1073120, 1207260, 1448712, 1524960, 1609680, 1810890, 1931616, 2414520, 2897424, 3219360, 3621780, 4829040, 5794848, 7243560, 9658080, 14487120, 28974240]

約数ペア:

[(1, 28974240), (2, 14487120), (3, 9658080), (4, 7243560), (5, 5794848), (6, 4829040), (8, 3621780), (9, 3219360), (10, 2897424), (12, 2414520), (15, 1931616), (16, 1810890), (18, 1609680), (19, 1524960), (20, 1448712), (24, 1207260), (27, 1073120), (30, 965808), (32, 905445), (36, 804840), (38, 762480), (40, 724356), (45, 643872), (48, 603630), (54, 536560), (57, 508320), (60, 482904), (72, 402420), (76, 381240), (80, 362178), (90, 321936), (95, 304992), (96, 301815), (108, 268280), (114, 254160), (120, 241452), (135, 214624), (144, 201210), (152, 190620), (160, 181089), (171, 169440), (180, 160968), (190, 152496), (216, 134140), (228, 127080), (240, 120726), (270, 107312), (285, 101664), (288, 100605), (304, 95310), (342, 84720), (353, 82080), (360, 80484), (380, 76248), (432, 67070), (456, 63540), (480, 60363), (513, 56480), (540, 53656), (570, 50832), (608, 47655), (684, 42360), (706, 41040), (720, 40242), (760, 38124), (855, 33888), (864, 33535), (912, 31770), (1026, 28240), (1059, 27360), (1080, 26828), (1140, 25416), (1368, 21180), (1412, 20520), (1440, 20121), (1520, 19062), (1710, 16944), (1765, 16416), (1824, 15885), (2052, 14120), (2118, 13680), (2160, 13414), (2280, 12708), (2565, 11296), (2736, 10590), (2824, 10260), (3040, 9531), (3177, 9120), (3420, 8472), (3530, 8208), (4104, 7060), (4236, 6840), (4320, 6707), (4560, 6354), (5130, 5648), (5295, 5472)]