285075840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21211}}^1$

素因数の和:21240

約数の個数: 128

約数和(自身を含む): 1038539520

約数和(自身を除く): 753463680

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21211, 42422, 63633, 84844, 106055, 127266, 148477, 169688, 212110, 254532, 296954, 318165, 339376, 424220, 445431, 509064, 593908, 636330, 678752, 742385, 848440, 890862, 1018128, 1187816, 1272660, 1357504, 1484770, 1696880, 1781724, 2036256, 2227155, 2375632, 2545320, 2715008, 2969540, 3393760, 3563448, 4072512, 4454310, 4751264, 5090640, 5939080, 6787520, 7126896, 8145024, 8908620, 9502528, 10181280, 11878160, 13575040, 14253792, 17817240, 19005056, 20362560, 23756320, 28507584, 35634480, 40725120, 47512640, 57015168, 71268960, 95025280, 142537920, 285075840]

約数ペア:

[(1, 285075840), (2, 142537920), (3, 95025280), (4, 71268960), (5, 57015168), (6, 47512640), (7, 40725120), (8, 35634480), (10, 28507584), (12, 23756320), (14, 20362560), (15, 19005056), (16, 17817240), (20, 14253792), (21, 13575040), (24, 11878160), (28, 10181280), (30, 9502528), (32, 8908620), (35, 8145024), (40, 7126896), (42, 6787520), (48, 5939080), (56, 5090640), (60, 4751264), (64, 4454310), (70, 4072512), (80, 3563448), (84, 3393760), (96, 2969540), (105, 2715008), (112, 2545320), (120, 2375632), (128, 2227155), (140, 2036256), (160, 1781724), (168, 1696880), (192, 1484770), (210, 1357504), (224, 1272660), (240, 1187816), (280, 1018128), (320, 890862), (336, 848440), (384, 742385), (420, 678752), (448, 636330), (480, 593908), (560, 509064), (640, 445431), (672, 424220), (840, 339376), (896, 318165), (960, 296954), (1120, 254532), (1344, 212110), (1680, 169688), (1920, 148477), (2240, 127266), (2688, 106055), (3360, 84844), (4480, 63633), (6720, 42422), (13440, 21211)]