192720800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 512467200

約数和(自身を除く): 319746400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 380, 400, 409, 475, 496, 589, 608, 620, 760, 775, 800, 818, 950, 992, 1178, 1240, 1520, 1550, 1636, 1900, 2045, 2356, 2480, 2945, 3040, 3100, 3272, 3800, 4090, 4712, 4960, 5890, 6200, 6544, 7600, 7771, 8180, 9424, 10225, 11780, 12400, 12679, 13088, 14725, 15200, 15542, 16360, 18848, 20450, 23560, 24800, 25358, 29450, 31084, 32720, 38855, 40900, 47120, 50716, 58900, 62168, 63395, 65440, 77710, 81800, 94240, 101432, 117800, 124336, 126790, 155420, 163600, 194275, 202864, 235600, 240901, 248672, 253580, 310840, 316975, 327200, 388550, 405728, 471200, 481802, 507160, 621680, 633950, 777100, 963604, 1014320, 1204505, 1243360, 1267900, 1554200, 1927208, 2028640, 2409010, 2535800, 3108400, 3854416, 4818020, 5071600, 6022525, 6216800, 7708832, 9636040, 10143200, 12045050, 19272080, 24090100, 38544160, 48180200, 96360400, 192720800]

約数ペア:

[(1, 192720800), (2, 96360400), (4, 48180200), (5, 38544160), (8, 24090100), (10, 19272080), (16, 12045050), (19, 10143200), (20, 9636040), (25, 7708832), (31, 6216800), (32, 6022525), (38, 5071600), (40, 4818020), (50, 3854416), (62, 3108400), (76, 2535800), (80, 2409010), (95, 2028640), (100, 1927208), (124, 1554200), (152, 1267900), (155, 1243360), (160, 1204505), (190, 1014320), (200, 963604), (248, 777100), (304, 633950), (310, 621680), (380, 507160), (400, 481802), (409, 471200), (475, 405728), (496, 388550), (589, 327200), (608, 316975), (620, 310840), (760, 253580), (775, 248672), (800, 240901), (818, 235600), (950, 202864), (992, 194275), (1178, 163600), (1240, 155420), (1520, 126790), (1550, 124336), (1636, 117800), (1900, 101432), (2045, 94240), (2356, 81800), (2480, 77710), (2945, 65440), (3040, 63395), (3100, 62168), (3272, 58900), (3800, 50716), (4090, 47120), (4712, 40900), (4960, 38855), (5890, 32720), (6200, 31084), (6544, 29450), (7600, 25358), (7771, 24800), (8180, 23560), (9424, 20450), (10225, 18848), (11780, 16360), (12400, 15542), (12679, 15200), (13088, 14725)]