71961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1231

約数の個数: 120

約数和(自身を含む): 244604880

約数和(自身を除く): 172643040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1123, 1335, 1424, 1602, 1780, 2136, 2246, 2670, 3204, 3369, 3560, 4005, 4272, 4492, 5340, 5615, 6408, 6738, 7120, 8010, 8984, 10107, 10680, 11230, 12816, 13476, 16020, 16845, 17968, 20214, 21360, 22460, 26952, 32040, 33690, 40428, 44920, 50535, 53904, 64080, 67380, 80856, 89840, 99947, 101070, 134760, 161712, 199894, 202140, 269520, 299841, 399788, 404280, 499735, 599682, 799576, 808560, 899523, 999470, 1199364, 1499205, 1599152, 1799046, 1998940, 2398728, 2998410, 3598092, 3997880, 4497615, 4797456, 5996820, 7196184, 7995760, 8995230, 11993640, 14392368, 17990460, 23987280, 35980920, 71961840]

約数ペア:

[(1, 71961840), (2, 35980920), (3, 23987280), (4, 17990460), (5, 14392368), (6, 11993640), (8, 8995230), (9, 7995760), (10, 7196184), (12, 5996820), (15, 4797456), (16, 4497615), (18, 3997880), (20, 3598092), (24, 2998410), (30, 2398728), (36, 1998940), (40, 1799046), (45, 1599152), (48, 1499205), (60, 1199364), (72, 999470), (80, 899523), (89, 808560), (90, 799576), (120, 599682), (144, 499735), (178, 404280), (180, 399788), (240, 299841), (267, 269520), (356, 202140), (360, 199894), (445, 161712), (534, 134760), (712, 101070), (720, 99947), (801, 89840), (890, 80856), (1068, 67380), (1123, 64080), (1335, 53904), (1424, 50535), (1602, 44920), (1780, 40428), (2136, 33690), (2246, 32040), (2670, 26952), (3204, 22460), (3369, 21360), (3560, 20214), (4005, 17968), (4272, 16845), (4492, 16020), (5340, 13476), (5615, 12816), (6408, 11230), (6738, 10680), (7120, 10107), (8010, 8984)]