281708280

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{12421}}^1$

素因数の和:12451

約数の個数: 160

約数和(自身を含む): 1082204640

約数和(自身を除く): 800496360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 12421, 22680, 24842, 37263, 49684, 62105, 74526, 86947, 99368, 111789, 124210, 149052, 173894, 186315, 223578, 248420, 260841, 298104, 335367, 347788, 372630, 434735, 447156, 496840, 521682, 558945, 670734, 695576, 745260, 782523, 869470, 894312, 1006101, 1043364, 1117890, 1304205, 1341468, 1490520, 1565046, 1676835, 1738940, 2012202, 2086728, 2235780, 2347569, 2608410, 2682936, 3130092, 3353670, 3477880, 3912615, 4024404, 4471560, 4695138, 5030505, 5216820, 6260184, 6707340, 7042707, 7825230, 8048808, 9390276, 10061010, 10433640, 11737845, 13414680, 14085414, 15650460, 18780552, 20122020, 23475690, 28170828, 31300920, 35213535, 40244040, 46951380, 56341656, 70427070, 93902760, 140854140, 281708280]

約数ペア:

[(1, 281708280), (2, 140854140), (3, 93902760), (4, 70427070), (5, 56341656), (6, 46951380), (7, 40244040), (8, 35213535), (9, 31300920), (10, 28170828), (12, 23475690), (14, 20122020), (15, 18780552), (18, 15650460), (20, 14085414), (21, 13414680), (24, 11737845), (27, 10433640), (28, 10061010), (30, 9390276), (35, 8048808), (36, 7825230), (40, 7042707), (42, 6707340), (45, 6260184), (54, 5216820), (56, 5030505), (60, 4695138), (63, 4471560), (70, 4024404), (72, 3912615), (81, 3477880), (84, 3353670), (90, 3130092), (105, 2682936), (108, 2608410), (120, 2347569), (126, 2235780), (135, 2086728), (140, 2012202), (162, 1738940), (168, 1676835), (180, 1565046), (189, 1490520), (210, 1341468), (216, 1304205), (252, 1117890), (270, 1043364), (280, 1006101), (315, 894312), (324, 869470), (360, 782523), (378, 745260), (405, 695576), (420, 670734), (504, 558945), (540, 521682), (567, 496840), (630, 447156), (648, 434735), (756, 372630), (810, 347788), (840, 335367), (945, 298104), (1080, 260841), (1134, 248420), (1260, 223578), (1512, 186315), (1620, 173894), (1890, 149052), (2268, 124210), (2520, 111789), (2835, 99368), (3240, 86947), (3780, 74526), (4536, 62105), (5670, 49684), (7560, 37263), (11340, 24842), (12421, 22680)]