312876800

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 216

約数和(自身を含む): 851612160

約数和(自身を除く): 538735360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 83, 95, 100, 124, 128, 152, 155, 160, 166, 190, 200, 248, 256, 304, 310, 320, 332, 380, 400, 415, 475, 496, 589, 608, 620, 640, 664, 760, 775, 800, 830, 950, 992, 1178, 1216, 1240, 1280, 1328, 1520, 1550, 1577, 1600, 1660, 1900, 1984, 2075, 2356, 2432, 2480, 2573, 2656, 2945, 3040, 3100, 3154, 3200, 3320, 3800, 3968, 4150, 4712, 4864, 4960, 5146, 5312, 5890, 6080, 6200, 6308, 6400, 6640, 7600, 7885, 7936, 8300, 9424, 9920, 10292, 10624, 11780, 12160, 12400, 12616, 12865, 13280, 14725, 15200, 15770, 16600, 18848, 19840, 20584, 21248, 23560, 24320, 24800, 25232, 25730, 26560, 29450, 30400, 31540, 33200, 37696, 39425, 39680, 41168, 47120, 48887, 49600, 50464, 51460, 53120, 58900, 60800, 63080, 64325, 66400, 75392, 78850, 82336, 94240, 97774, 99200, 100928, 102920, 106240, 117800, 121600, 126160, 128650, 132800, 150784, 157700, 164672, 188480, 195548, 198400, 201856, 205840, 235600, 244435, 252320, 257300, 265600, 315400, 329344, 376960, 391096, 403712, 411680, 471200, 488870, 504640, 514600, 531200, 630800, 658688, 753920, 782192, 823360, 942400, 977740, 1009280, 1029200, 1222175, 1261600, 1564384, 1646720, 1884800, 1955480, 2018560, 2058400, 2444350, 2523200, 3128768, 3293440, 3769600, 3910960, 4116800, 4888700, 5046400, 6257536, 7821920, 8233600, 9777400, 10092800, 12515072, 15643840, 16467200, 19554800, 31287680, 39109600, 62575360, 78219200, 156438400, 312876800]

約数ペア:

[(1, 312876800), (2, 156438400), (4, 78219200), (5, 62575360), (8, 39109600), (10, 31287680), (16, 19554800), (19, 16467200), (20, 15643840), (25, 12515072), (31, 10092800), (32, 9777400), (38, 8233600), (40, 7821920), (50, 6257536), (62, 5046400), (64, 4888700), (76, 4116800), (80, 3910960), (83, 3769600), (95, 3293440), (100, 3128768), (124, 2523200), (128, 2444350), (152, 2058400), (155, 2018560), (160, 1955480), (166, 1884800), (190, 1646720), (200, 1564384), (248, 1261600), (256, 1222175), (304, 1029200), (310, 1009280), (320, 977740), (332, 942400), (380, 823360), (400, 782192), (415, 753920), (475, 658688), (496, 630800), (589, 531200), (608, 514600), (620, 504640), (640, 488870), (664, 471200), (760, 411680), (775, 403712), (800, 391096), (830, 376960), (950, 329344), (992, 315400), (1178, 265600), (1216, 257300), (1240, 252320), (1280, 244435), (1328, 235600), (1520, 205840), (1550, 201856), (1577, 198400), (1600, 195548), (1660, 188480), (1900, 164672), (1984, 157700), (2075, 150784), (2356, 132800), (2432, 128650), (2480, 126160), (2573, 121600), (2656, 117800), (2945, 106240), (3040, 102920), (3100, 100928), (3154, 99200), (3200, 97774), (3320, 94240), (3800, 82336), (3968, 78850), (4150, 75392), (4712, 66400), (4864, 64325), (4960, 63080), (5146, 60800), (5312, 58900), (5890, 53120), (6080, 51460), (6200, 50464), (6308, 49600), (6400, 48887), (6640, 47120), (7600, 41168), (7885, 39680), (7936, 39425), (8300, 37696), (9424, 33200), (9920, 31540), (10292, 30400), (10624, 29450), (11780, 26560), (12160, 25730), (12400, 25232), (12616, 24800), (12865, 24320), (13280, 23560), (14725, 21248), (15200, 20584), (15770, 19840), (16600, 18848)]