16000920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 56525040

約数和(自身を除く): 40524120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 263, 312, 338, 360, 390, 468, 507, 520, 526, 585, 676, 780, 789, 845, 936, 1014, 1052, 1170, 1315, 1352, 1521, 1560, 1578, 1690, 2028, 2104, 2340, 2367, 2535, 2630, 3042, 3156, 3380, 3419, 3945, 4056, 4680, 4734, 5070, 5260, 6084, 6312, 6760, 6838, 7605, 7890, 9468, 10140, 10257, 10520, 11835, 12168, 13676, 15210, 15780, 17095, 18936, 20280, 20514, 23670, 27352, 30420, 30771, 31560, 34190, 41028, 44447, 47340, 51285, 60840, 61542, 68380, 82056, 88894, 94680, 102570, 123084, 133341, 136760, 153855, 177788, 205140, 222235, 246168, 266682, 307710, 355576, 400023, 410280, 444470, 533364, 615420, 666705, 800046, 888940, 1066728, 1230840, 1333410, 1600092, 1777880, 2000115, 2666820, 3200184, 4000230, 5333640, 8000460, 16000920]

約数ペア:

[(1, 16000920), (2, 8000460), (3, 5333640), (4, 4000230), (5, 3200184), (6, 2666820), (8, 2000115), (9, 1777880), (10, 1600092), (12, 1333410), (13, 1230840), (15, 1066728), (18, 888940), (20, 800046), (24, 666705), (26, 615420), (30, 533364), (36, 444470), (39, 410280), (40, 400023), (45, 355576), (52, 307710), (60, 266682), (65, 246168), (72, 222235), (78, 205140), (90, 177788), (104, 153855), (117, 136760), (120, 133341), (130, 123084), (156, 102570), (169, 94680), (180, 88894), (195, 82056), (234, 68380), (260, 61542), (263, 60840), (312, 51285), (338, 47340), (360, 44447), (390, 41028), (468, 34190), (507, 31560), (520, 30771), (526, 30420), (585, 27352), (676, 23670), (780, 20514), (789, 20280), (845, 18936), (936, 17095), (1014, 15780), (1052, 15210), (1170, 13676), (1315, 12168), (1352, 11835), (1521, 10520), (1560, 10257), (1578, 10140), (1690, 9468), (2028, 7890), (2104, 7605), (2340, 6838), (2367, 6760), (2535, 6312), (2630, 6084), (3042, 5260), (3156, 5070), (3380, 4734), (3419, 4680), (3945, 4056)]