1638976800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 288

約数和(自身を含む): 5709009600

約数和(自身を除く): 4070032800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 139, 150, 160, 170, 200, 204, 240, 255, 272, 278, 289, 300, 340, 400, 408, 417, 425, 480, 510, 544, 556, 578, 600, 680, 695, 800, 816, 834, 850, 867, 1020, 1112, 1156, 1200, 1275, 1360, 1390, 1445, 1632, 1668, 1700, 1734, 2040, 2085, 2224, 2312, 2363, 2400, 2550, 2720, 2780, 2890, 3336, 3400, 3468, 3475, 4080, 4170, 4335, 4448, 4624, 4726, 4913, 5100, 5560, 5780, 6672, 6800, 6936, 6950, 7089, 7225, 8160, 8340, 8670, 9248, 9452, 9826, 10200, 10425, 11120, 11560, 11815, 13344, 13600, 13872, 13900, 14178, 14450, 14739, 16680, 17340, 18904, 19652, 20400, 20850, 21675, 22240, 23120, 23630, 24565, 27744, 27800, 28356, 28900, 29478, 33360, 34680, 35445, 37808, 39304, 40171, 40800, 41700, 43350, 46240, 47260, 49130, 55600, 56712, 57800, 58956, 59075, 66720, 69360, 70890, 73695, 75616, 78608, 80342, 83400, 86700, 94520, 98260, 111200, 113424, 115600, 117912, 118150, 120513, 122825, 138720, 141780, 147390, 157216, 160684, 166800, 173400, 177225, 189040, 196520, 200855, 226848, 231200, 235824, 236300, 241026, 245650, 283560, 294780, 321368, 333600, 346800, 354450, 368475, 378080, 393040, 401710, 471648, 472600, 482052, 491300, 567120, 589560, 602565, 642736, 682907, 693600, 708900, 736950, 786080, 803420, 945200, 964104, 982600, 1004275, 1134240, 1179120, 1205130, 1285472, 1365814, 1417800, 1473900, 1606840, 1890400, 1928208, 1965200, 2008550, 2048721, 2358240, 2410260, 2731628, 2835600, 2947800, 3012825, 3213680, 3414535, 3856416, 3930400, 4017100, 4097442, 4820520, 5463256, 5671200, 5895600, 6025650, 6427360, 6829070, 8034200, 8194884, 9641040, 10243605, 10926512, 11791200, 12051300, 13658140, 16068400, 16389768, 17072675, 19282080, 20487210, 21853024, 24102600, 27316280, 32136800, 32779536, 34145350, 40974420, 48205200, 51218025, 54632560, 65559072, 68290700, 81948840, 96410400, 102436050, 109265120, 136581400, 163897680, 204872100, 273162800, 327795360, 409744200, 546325600, 819488400, 1638976800]

約数ペア:

[(1, 1638976800), (2, 819488400), (3, 546325600), (4, 409744200), (5, 327795360), (6, 273162800), (8, 204872100), (10, 163897680), (12, 136581400), (15, 109265120), (16, 102436050), (17, 96410400), (20, 81948840), (24, 68290700), (25, 65559072), (30, 54632560), (32, 51218025), (34, 48205200), (40, 40974420), (48, 34145350), (50, 32779536), (51, 32136800), (60, 27316280), (68, 24102600), (75, 21853024), (80, 20487210), (85, 19282080), (96, 17072675), (100, 16389768), (102, 16068400), (120, 13658140), (136, 12051300), (139, 11791200), (150, 10926512), (160, 10243605), (170, 9641040), (200, 8194884), (204, 8034200), (240, 6829070), (255, 6427360), (272, 6025650), (278, 5895600), (289, 5671200), (300, 5463256), (340, 4820520), (400, 4097442), (408, 4017100), (417, 3930400), (425, 3856416), (480, 3414535), (510, 3213680), (544, 3012825), (556, 2947800), (578, 2835600), (600, 2731628), (680, 2410260), (695, 2358240), (800, 2048721), (816, 2008550), (834, 1965200), (850, 1928208), (867, 1890400), (1020, 1606840), (1112, 1473900), (1156, 1417800), (1200, 1365814), (1275, 1285472), (1360, 1205130), (1390, 1179120), (1445, 1134240), (1632, 1004275), (1668, 982600), (1700, 964104), (1734, 945200), (2040, 803420), (2085, 786080), (2224, 736950), (2312, 708900), (2363, 693600), (2400, 682907), (2550, 642736), (2720, 602565), (2780, 589560), (2890, 567120), (3336, 491300), (3400, 482052), (3468, 472600), (3475, 471648), (4080, 401710), (4170, 393040), (4335, 378080), (4448, 368475), (4624, 354450), (4726, 346800), (4913, 333600), (5100, 321368), (5560, 294780), (5780, 283560), (6672, 245650), (6800, 241026), (6936, 236300), (6950, 235824), (7089, 231200), (7225, 226848), (8160, 200855), (8340, 196520), (8670, 189040), (9248, 177225), (9452, 173400), (9826, 166800), (10200, 160684), (10425, 157216), (11120, 147390), (11560, 141780), (11815, 138720), (13344, 122825), (13600, 120513), (13872, 118150), (13900, 117912), (14178, 115600), (14450, 113424), (14739, 111200), (16680, 98260), (17340, 94520), (18904, 86700), (19652, 83400), (20400, 80342), (20850, 78608), (21675, 75616), (22240, 73695), (23120, 70890), (23630, 69360), (24565, 66720), (27744, 59075), (27800, 58956), (28356, 57800), (28900, 56712), (29478, 55600), (33360, 49130), (34680, 47260), (35445, 46240), (37808, 43350), (39304, 41700), (40171, 40800)]