638488800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1346

約数の個数: 216

約数和(自身を含む): 2285010000

約数和(自身を除く): 1646521200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 71, 72, 75, 80, 90, 96, 100, 120, 142, 144, 150, 160, 180, 200, 213, 225, 240, 284, 288, 300, 355, 360, 400, 426, 450, 480, 568, 600, 639, 710, 720, 800, 852, 900, 1065, 1136, 1200, 1249, 1278, 1420, 1440, 1704, 1775, 1800, 2130, 2272, 2400, 2498, 2556, 2840, 3195, 3408, 3550, 3600, 3747, 4260, 4996, 5112, 5325, 5680, 6245, 6390, 6816, 7100, 7200, 7494, 8520, 9992, 10224, 10650, 11241, 11360, 12490, 12780, 14200, 14988, 15975, 17040, 18735, 19984, 20448, 21300, 22482, 24980, 25560, 28400, 29976, 31225, 31950, 34080, 37470, 39968, 42600, 44964, 49960, 51120, 56205, 56800, 59952, 62450, 63900, 74940, 85200, 88679, 89928, 93675, 99920, 102240, 112410, 119904, 124900, 127800, 149880, 170400, 177358, 179856, 187350, 199840, 224820, 249800, 255600, 266037, 281025, 299760, 354716, 359712, 374700, 443395, 449640, 499600, 511200, 532074, 562050, 599520, 709432, 749400, 798111, 886790, 899280, 999200, 1064148, 1124100, 1330185, 1418864, 1498800, 1596222, 1773580, 1798560, 2128296, 2216975, 2248200, 2660370, 2837728, 2997600, 3192444, 3547160, 3990555, 4256592, 4433950, 4496400, 5320740, 6384888, 6650925, 7094320, 7981110, 8513184, 8867900, 8992800, 10641480, 12769776, 13301850, 14188640, 15962220, 17735800, 19952775, 21282960, 25539552, 26603700, 31924440, 35471600, 39905550, 42565920, 53207400, 63848880, 70943200, 79811100, 106414800, 127697760, 159622200, 212829600, 319244400, 638488800]

約数ペア:

[(1, 638488800), (2, 319244400), (3, 212829600), (4, 159622200), (5, 127697760), (6, 106414800), (8, 79811100), (9, 70943200), (10, 63848880), (12, 53207400), (15, 42565920), (16, 39905550), (18, 35471600), (20, 31924440), (24, 26603700), (25, 25539552), (30, 21282960), (32, 19952775), (36, 17735800), (40, 15962220), (45, 14188640), (48, 13301850), (50, 12769776), (60, 10641480), (71, 8992800), (72, 8867900), (75, 8513184), (80, 7981110), (90, 7094320), (96, 6650925), (100, 6384888), (120, 5320740), (142, 4496400), (144, 4433950), (150, 4256592), (160, 3990555), (180, 3547160), (200, 3192444), (213, 2997600), (225, 2837728), (240, 2660370), (284, 2248200), (288, 2216975), (300, 2128296), (355, 1798560), (360, 1773580), (400, 1596222), (426, 1498800), (450, 1418864), (480, 1330185), (568, 1124100), (600, 1064148), (639, 999200), (710, 899280), (720, 886790), (800, 798111), (852, 749400), (900, 709432), (1065, 599520), (1136, 562050), (1200, 532074), (1249, 511200), (1278, 499600), (1420, 449640), (1440, 443395), (1704, 374700), (1775, 359712), (1800, 354716), (2130, 299760), (2272, 281025), (2400, 266037), (2498, 255600), (2556, 249800), (2840, 224820), (3195, 199840), (3408, 187350), (3550, 179856), (3600, 177358), (3747, 170400), (4260, 149880), (4996, 127800), (5112, 124900), (5325, 119904), (5680, 112410), (6245, 102240), (6390, 99920), (6816, 93675), (7100, 89928), (7200, 88679), (7494, 85200), (8520, 74940), (9992, 63900), (10224, 62450), (10650, 59952), (11241, 56800), (11360, 56205), (12490, 51120), (12780, 49960), (14200, 44964), (14988, 42600), (15975, 39968), (17040, 37470), (18735, 34080), (19984, 31950), (20448, 31225), (21300, 29976), (22482, 28400), (24980, 25560)]