261522240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{38917}}^1$

素因数の和:38944

約数の個数: 112

約数和(自身を含む): 948976512

約数和(自身を除く): 687454272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 38917, 77834, 116751, 155668, 194585, 233502, 272419, 311336, 389170, 467004, 544838, 583755, 622672, 778340, 817257, 934008, 1089676, 1167510, 1245344, 1362095, 1556680, 1634514, 1868016, 2179352, 2335020, 2490688, 2724190, 3113360, 3269028, 3736032, 4086285, 4358704, 4670040, 5448380, 6226720, 6538056, 7472064, 8172570, 8717408, 9340080, 10896760, 12453440, 13076112, 16345140, 17434816, 18680160, 21793520, 26152224, 32690280, 37360320, 43587040, 52304448, 65380560, 87174080, 130761120, 261522240]

約数ペア:

[(1, 261522240), (2, 130761120), (3, 87174080), (4, 65380560), (5, 52304448), (6, 43587040), (7, 37360320), (8, 32690280), (10, 26152224), (12, 21793520), (14, 18680160), (15, 17434816), (16, 16345140), (20, 13076112), (21, 12453440), (24, 10896760), (28, 9340080), (30, 8717408), (32, 8172570), (35, 7472064), (40, 6538056), (42, 6226720), (48, 5448380), (56, 4670040), (60, 4358704), (64, 4086285), (70, 3736032), (80, 3269028), (84, 3113360), (96, 2724190), (105, 2490688), (112, 2335020), (120, 2179352), (140, 1868016), (160, 1634514), (168, 1556680), (192, 1362095), (210, 1245344), (224, 1167510), (240, 1089676), (280, 934008), (320, 817257), (336, 778340), (420, 622672), (448, 583755), (480, 544838), (560, 467004), (672, 389170), (840, 311336), (960, 272419), (1120, 233502), (1344, 194585), (1680, 155668), (2240, 116751), (3360, 77834), (6720, 38917)]