491694720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:815

約数の個数: 256

約数和(自身を含む): 1767260160

約数和(自身を除く): 1275565440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 751, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1488, 1502, 1705, 1760, 1860, 1920, 1984, 2046, 2112, 2253, 2480, 2640, 2728, 2976, 3004, 3410, 3520, 3720, 3755, 3968, 4092, 4224, 4506, 4960, 5115, 5280, 5456, 5952, 6008, 6820, 7040, 7440, 7510, 8184, 8261, 9012, 9920, 10230, 10560, 10912, 11265, 11904, 12016, 13640, 14880, 15020, 16368, 16522, 18024, 19840, 20460, 21120, 21824, 22530, 23281, 24032, 24783, 27280, 29760, 30040, 32736, 33044, 36048, 40920, 41305, 43648, 45060, 46562, 48064, 49566, 54560, 59520, 60080, 65472, 66088, 69843, 72096, 81840, 82610, 90120, 93124, 96128, 99132, 109120, 116405, 120160, 123915, 130944, 132176, 139686, 144192, 163680, 165220, 180240, 186248, 198264, 218240, 232810, 240320, 247830, 256091, 264352, 279372, 288384, 327360, 330440, 349215, 360480, 372496, 396528, 465620, 480640, 495660, 512182, 528704, 558744, 654720, 660880, 698430, 720960, 744992, 768273, 793056, 931240, 991320, 1024364, 1057408, 1117488, 1280455, 1321760, 1396860, 1441920, 1489984, 1536546, 1586112, 1862480, 1982640, 2048728, 2234976, 2560910, 2643520, 2793720, 2979968, 3073092, 3172224, 3724960, 3841365, 3965280, 4097456, 4469952, 5121820, 5287040, 5587440, 6146184, 7449920, 7682730, 7930560, 8194912, 8939904, 10243640, 11174880, 12292368, 14899840, 15365460, 15861120, 16389824, 20487280, 22349760, 24584736, 30730920, 32779648, 40974560, 44699520, 49169472, 61461840, 81949120, 98338944, 122923680, 163898240, 245847360, 491694720]

約数ペア:

[(1, 491694720), (2, 245847360), (3, 163898240), (4, 122923680), (5, 98338944), (6, 81949120), (8, 61461840), (10, 49169472), (11, 44699520), (12, 40974560), (15, 32779648), (16, 30730920), (20, 24584736), (22, 22349760), (24, 20487280), (30, 16389824), (31, 15861120), (32, 15365460), (33, 14899840), (40, 12292368), (44, 11174880), (48, 10243640), (55, 8939904), (60, 8194912), (62, 7930560), (64, 7682730), (66, 7449920), (80, 6146184), (88, 5587440), (93, 5287040), (96, 5121820), (110, 4469952), (120, 4097456), (124, 3965280), (128, 3841365), (132, 3724960), (155, 3172224), (160, 3073092), (165, 2979968), (176, 2793720), (186, 2643520), (192, 2560910), (220, 2234976), (240, 2048728), (248, 1982640), (264, 1862480), (310, 1586112), (320, 1536546), (330, 1489984), (341, 1441920), (352, 1396860), (372, 1321760), (384, 1280455), (440, 1117488), (465, 1057408), (480, 1024364), (496, 991320), (528, 931240), (620, 793056), (640, 768273), (660, 744992), (682, 720960), (704, 698430), (744, 660880), (751, 654720), (880, 558744), (930, 528704), (960, 512182), (992, 495660), (1023, 480640), (1056, 465620), (1240, 396528), (1320, 372496), (1364, 360480), (1408, 349215), (1488, 330440), (1502, 327360), (1705, 288384), (1760, 279372), (1860, 264352), (1920, 256091), (1984, 247830), (2046, 240320), (2112, 232810), (2253, 218240), (2480, 198264), (2640, 186248), (2728, 180240), (2976, 165220), (3004, 163680), (3410, 144192), (3520, 139686), (3720, 132176), (3755, 130944), (3968, 123915), (4092, 120160), (4224, 116405), (4506, 109120), (4960, 99132), (5115, 96128), (5280, 93124), (5456, 90120), (5952, 82610), (6008, 81840), (6820, 72096), (7040, 69843), (7440, 66088), (7510, 65472), (8184, 60080), (8261, 59520), (9012, 54560), (9920, 49566), (10230, 48064), (10560, 46562), (10912, 45060), (11265, 43648), (11904, 41305), (12016, 40920), (13640, 36048), (14880, 33044), (15020, 32736), (16368, 30040), (16522, 29760), (18024, 27280), (19840, 24783), (20460, 24032), (21120, 23281), (21824, 22530)]