2678796800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 240

約数和(自身を含む): 7055000832

約数和(自身を除く): 4376204032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 64, 80, 86, 100, 124, 128, 155, 157, 160, 172, 200, 215, 248, 256, 310, 314, 320, 344, 400, 430, 496, 512, 620, 628, 640, 688, 775, 785, 800, 860, 992, 1075, 1240, 1256, 1280, 1333, 1376, 1550, 1570, 1600, 1720, 1984, 2150, 2480, 2512, 2560, 2666, 2752, 3100, 3140, 3200, 3440, 3925, 3968, 4300, 4867, 4960, 5024, 5332, 5504, 6200, 6280, 6400, 6665, 6751, 6880, 7850, 7936, 8600, 9734, 9920, 10048, 10664, 11008, 12400, 12560, 12800, 13330, 13502, 13760, 15700, 15872, 17200, 19468, 19840, 20096, 21328, 22016, 24335, 24800, 25120, 26660, 27004, 27520, 31400, 33325, 33755, 34400, 38936, 39680, 40192, 42656, 48670, 49600, 50240, 53320, 54008, 55040, 62800, 66650, 67510, 68800, 77872, 79360, 80384, 85312, 97340, 99200, 100480, 106640, 108016, 110080, 121675, 125600, 133300, 135020, 137600, 155744, 168775, 170624, 194680, 198400, 200960, 209281, 213280, 216032, 243350, 251200, 266600, 270040, 275200, 311488, 337550, 341248, 389360, 396800, 401920, 418562, 426560, 432064, 486700, 502400, 533200, 540080, 550400, 622976, 675100, 682496, 778720, 837124, 853120, 864128, 973400, 1004800, 1046405, 1066400, 1080160, 1245952, 1350200, 1557440, 1674248, 1706240, 1728256, 1946800, 2009600, 2092810, 2132800, 2160320, 2491904, 2700400, 3114880, 3348496, 3412480, 3456512, 3893600, 4185620, 4265600, 4320640, 5232025, 5400800, 6229760, 6696992, 7787200, 8371240, 8531200, 8641280, 10464050, 10801600, 12459520, 13393984, 15574400, 16742480, 17062400, 17282560, 20928100, 21603200, 26787968, 31148800, 33484960, 41856200, 43206400, 53575936, 62297600, 66969920, 83712400, 86412800, 107151872, 133939840, 167424800, 267879680, 334849600, 535759360, 669699200, 1339398400, 2678796800]

約数ペア:

[(1, 2678796800), (2, 1339398400), (4, 669699200), (5, 535759360), (8, 334849600), (10, 267879680), (16, 167424800), (20, 133939840), (25, 107151872), (31, 86412800), (32, 83712400), (40, 66969920), (43, 62297600), (50, 53575936), (62, 43206400), (64, 41856200), (80, 33484960), (86, 31148800), (100, 26787968), (124, 21603200), (128, 20928100), (155, 17282560), (157, 17062400), (160, 16742480), (172, 15574400), (200, 13393984), (215, 12459520), (248, 10801600), (256, 10464050), (310, 8641280), (314, 8531200), (320, 8371240), (344, 7787200), (400, 6696992), (430, 6229760), (496, 5400800), (512, 5232025), (620, 4320640), (628, 4265600), (640, 4185620), (688, 3893600), (775, 3456512), (785, 3412480), (800, 3348496), (860, 3114880), (992, 2700400), (1075, 2491904), (1240, 2160320), (1256, 2132800), (1280, 2092810), (1333, 2009600), (1376, 1946800), (1550, 1728256), (1570, 1706240), (1600, 1674248), (1720, 1557440), (1984, 1350200), (2150, 1245952), (2480, 1080160), (2512, 1066400), (2560, 1046405), (2666, 1004800), (2752, 973400), (3100, 864128), (3140, 853120), (3200, 837124), (3440, 778720), (3925, 682496), (3968, 675100), (4300, 622976), (4867, 550400), (4960, 540080), (5024, 533200), (5332, 502400), (5504, 486700), (6200, 432064), (6280, 426560), (6400, 418562), (6665, 401920), (6751, 396800), (6880, 389360), (7850, 341248), (7936, 337550), (8600, 311488), (9734, 275200), (9920, 270040), (10048, 266600), (10664, 251200), (11008, 243350), (12400, 216032), (12560, 213280), (12800, 209281), (13330, 200960), (13502, 198400), (13760, 194680), (15700, 170624), (15872, 168775), (17200, 155744), (19468, 137600), (19840, 135020), (20096, 133300), (21328, 125600), (22016, 121675), (24335, 110080), (24800, 108016), (25120, 106640), (26660, 100480), (27004, 99200), (27520, 97340), (31400, 85312), (33325, 80384), (33755, 79360), (34400, 77872), (38936, 68800), (39680, 67510), (40192, 66650), (42656, 62800), (48670, 55040), (49600, 54008), (50240, 53320)]