1200320000

素因数分解:

$2^9\times 5^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 300

約数和(自身を含む): 3400386528

約数和(自身を除く): 2200066528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 121, 124, 125, 128, 155, 160, 176, 200, 220, 242, 248, 250, 256, 275, 310, 320, 341, 352, 400, 440, 484, 496, 500, 512, 550, 605, 620, 625, 640, 682, 704, 775, 800, 880, 968, 992, 1000, 1100, 1210, 1240, 1250, 1280, 1364, 1375, 1408, 1550, 1600, 1705, 1760, 1936, 1984, 2000, 2200, 2420, 2480, 2500, 2560, 2728, 2750, 2816, 3025, 3100, 3200, 3410, 3520, 3751, 3872, 3875, 3968, 4000, 4400, 4840, 4960, 5000, 5456, 5500, 5632, 6050, 6200, 6400, 6820, 6875, 7040, 7502, 7744, 7750, 7936, 8000, 8525, 8800, 9680, 9920, 10000, 10912, 11000, 12100, 12400, 12800, 13640, 13750, 14080, 15004, 15125, 15488, 15500, 15872, 16000, 17050, 17600, 18755, 19360, 19375, 19840, 20000, 21824, 22000, 24200, 24800, 27280, 27500, 28160, 30008, 30250, 30976, 31000, 32000, 34100, 35200, 37510, 38720, 38750, 39680, 40000, 42625, 43648, 44000, 48400, 49600, 54560, 55000, 60016, 60500, 61952, 62000, 64000, 68200, 70400, 75020, 75625, 77440, 77500, 79360, 80000, 85250, 87296, 88000, 93775, 96800, 99200, 109120, 110000, 120032, 121000, 124000, 136400, 140800, 150040, 151250, 154880, 155000, 160000, 170500, 174592, 176000, 187550, 193600, 198400, 213125, 218240, 220000, 240064, 242000, 248000, 272800, 300080, 302500, 309760, 310000, 320000, 341000, 352000, 375100, 387200, 396800, 426250, 436480, 440000, 468875, 480128, 484000, 496000, 545600, 600160, 605000, 620000, 682000, 704000, 750200, 774400, 852500, 872960, 880000, 937750, 960256, 968000, 992000, 1091200, 1200320, 1210000, 1240000, 1364000, 1500400, 1548800, 1705000, 1760000, 1875500, 1920512, 1936000, 1984000, 2182400, 2344375, 2400640, 2420000, 2480000, 2728000, 3000800, 3410000, 3520000, 3751000, 3872000, 4364800, 4688750, 4801280, 4840000, 4960000, 5456000, 6001600, 6820000, 7502000, 7744000, 9377500, 9602560, 9680000, 9920000, 10912000, 12003200, 13640000, 15004000, 18755000, 19360000, 21824000, 24006400, 27280000, 30008000, 37510000, 38720000, 48012800, 54560000, 60016000, 75020000, 109120000, 120032000, 150040000, 240064000, 300080000, 600160000, 1200320000]

約数ペア:

[(1, 1200320000), (2, 600160000), (4, 300080000), (5, 240064000), (8, 150040000), (10, 120032000), (11, 109120000), (16, 75020000), (20, 60016000), (22, 54560000), (25, 48012800), (31, 38720000), (32, 37510000), (40, 30008000), (44, 27280000), (50, 24006400), (55, 21824000), (62, 19360000), (64, 18755000), (80, 15004000), (88, 13640000), (100, 12003200), (110, 10912000), (121, 9920000), (124, 9680000), (125, 9602560), (128, 9377500), (155, 7744000), (160, 7502000), (176, 6820000), (200, 6001600), (220, 5456000), (242, 4960000), (248, 4840000), (250, 4801280), (256, 4688750), (275, 4364800), (310, 3872000), (320, 3751000), (341, 3520000), (352, 3410000), (400, 3000800), (440, 2728000), (484, 2480000), (496, 2420000), (500, 2400640), (512, 2344375), (550, 2182400), (605, 1984000), (620, 1936000), (625, 1920512), (640, 1875500), (682, 1760000), (704, 1705000), (775, 1548800), (800, 1500400), (880, 1364000), (968, 1240000), (992, 1210000), (1000, 1200320), (1100, 1091200), (1210, 992000), (1240, 968000), (1250, 960256), (1280, 937750), (1364, 880000), (1375, 872960), (1408, 852500), (1550, 774400), (1600, 750200), (1705, 704000), (1760, 682000), (1936, 620000), (1984, 605000), (2000, 600160), (2200, 545600), (2420, 496000), (2480, 484000), (2500, 480128), (2560, 468875), (2728, 440000), (2750, 436480), (2816, 426250), (3025, 396800), (3100, 387200), (3200, 375100), (3410, 352000), (3520, 341000), (3751, 320000), (3872, 310000), (3875, 309760), (3968, 302500), (4000, 300080), (4400, 272800), (4840, 248000), (4960, 242000), (5000, 240064), (5456, 220000), (5500, 218240), (5632, 213125), (6050, 198400), (6200, 193600), (6400, 187550), (6820, 176000), (6875, 174592), (7040, 170500), (7502, 160000), (7744, 155000), (7750, 154880), (7936, 151250), (8000, 150040), (8525, 140800), (8800, 136400), (9680, 124000), (9920, 121000), (10000, 120032), (10912, 110000), (11000, 109120), (12100, 99200), (12400, 96800), (12800, 93775), (13640, 88000), (13750, 87296), (14080, 85250), (15004, 80000), (15125, 79360), (15488, 77500), (15500, 77440), (15872, 75625), (16000, 75020), (17050, 70400), (17600, 68200), (18755, 64000), (19360, 62000), (19375, 61952), (19840, 60500), (20000, 60016), (21824, 55000), (22000, 54560), (24200, 49600), (24800, 48400), (27280, 44000), (27500, 43648), (28160, 42625), (30008, 40000), (30250, 39680), (30976, 38750), (31000, 38720), (32000, 37510), (34100, 35200)]