12280960000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 220

約数和(自身を含む): 31718346880

約数和(自身を除く): 19437386880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 619, 620, 625, 640, 775, 800, 992, 1000, 1024, 1238, 1240, 1250, 1280, 1550, 1600, 1984, 2000, 2476, 2480, 2500, 2560, 3095, 3100, 3200, 3875, 3968, 4000, 4952, 4960, 5000, 5120, 6190, 6200, 6400, 7750, 7936, 8000, 9904, 9920, 10000, 12380, 12400, 12800, 15475, 15500, 15872, 16000, 19189, 19375, 19808, 19840, 20000, 24760, 24800, 25600, 30950, 31000, 31744, 32000, 38378, 38750, 39616, 39680, 40000, 49520, 49600, 61900, 62000, 64000, 76756, 77375, 77500, 79232, 79360, 80000, 95945, 99040, 99200, 123800, 124000, 128000, 153512, 154750, 155000, 158464, 158720, 160000, 191890, 198080, 198400, 247600, 248000, 307024, 309500, 310000, 316928, 320000, 383780, 386875, 396160, 396800, 479725, 495200, 496000, 614048, 619000, 620000, 633856, 640000, 767560, 773750, 792320, 793600, 959450, 990400, 992000, 1228096, 1238000, 1240000, 1535120, 1547500, 1584640, 1918900, 1980800, 1984000, 2398625, 2456192, 2476000, 2480000, 3070240, 3095000, 3169280, 3837800, 3961600, 3968000, 4797250, 4912384, 4952000, 4960000, 6140480, 6190000, 7675600, 7923200, 9594500, 9824768, 9904000, 9920000, 11993125, 12280960, 12380000, 15351200, 15846400, 19189000, 19649536, 19808000, 19840000, 23986250, 24561920, 24760000, 30702400, 38378000, 39616000, 47972500, 49123840, 49520000, 61404800, 76756000, 79232000, 95945000, 98247680, 99040000, 122809600, 153512000, 191890000, 198080000, 245619200, 307024000, 383780000, 396160000, 491238400, 614048000, 767560000, 1228096000, 1535120000, 2456192000, 3070240000, 6140480000, 12280960000]

約数ペア:

[(1, 12280960000), (2, 6140480000), (4, 3070240000), (5, 2456192000), (8, 1535120000), (10, 1228096000), (16, 767560000), (20, 614048000), (25, 491238400), (31, 396160000), (32, 383780000), (40, 307024000), (50, 245619200), (62, 198080000), (64, 191890000), (80, 153512000), (100, 122809600), (124, 99040000), (125, 98247680), (128, 95945000), (155, 79232000), (160, 76756000), (200, 61404800), (248, 49520000), (250, 49123840), (256, 47972500), (310, 39616000), (320, 38378000), (400, 30702400), (496, 24760000), (500, 24561920), (512, 23986250), (619, 19840000), (620, 19808000), (625, 19649536), (640, 19189000), (775, 15846400), (800, 15351200), (992, 12380000), (1000, 12280960), (1024, 11993125), (1238, 9920000), (1240, 9904000), (1250, 9824768), (1280, 9594500), (1550, 7923200), (1600, 7675600), (1984, 6190000), (2000, 6140480), (2476, 4960000), (2480, 4952000), (2500, 4912384), (2560, 4797250), (3095, 3968000), (3100, 3961600), (3200, 3837800), (3875, 3169280), (3968, 3095000), (4000, 3070240), (4952, 2480000), (4960, 2476000), (5000, 2456192), (5120, 2398625), (6190, 1984000), (6200, 1980800), (6400, 1918900), (7750, 1584640), (7936, 1547500), (8000, 1535120), (9904, 1240000), (9920, 1238000), (10000, 1228096), (12380, 992000), (12400, 990400), (12800, 959450), (15475, 793600), (15500, 792320), (15872, 773750), (16000, 767560), (19189, 640000), (19375, 633856), (19808, 620000), (19840, 619000), (20000, 614048), (24760, 496000), (24800, 495200), (25600, 479725), (30950, 396800), (31000, 396160), (31744, 386875), (32000, 383780), (38378, 320000), (38750, 316928), (39616, 310000), (39680, 309500), (40000, 307024), (49520, 248000), (49600, 247600), (61900, 198400), (62000, 198080), (64000, 191890), (76756, 160000), (77375, 158720), (77500, 158464), (79232, 155000), (79360, 154750), (80000, 153512), (95945, 128000), (99040, 124000), (99200, 123800)]