390915840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{14543}}^1$

素因数の和:14574

約数の個数: 144

約数和(自身を含む): 1426940928

約数和(自身を除く): 1036025088

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 14543, 26880, 29086, 43629, 58172, 72715, 87258, 101801, 116344, 145430, 174516, 203602, 218145, 232688, 290860, 305403, 349032, 407204, 436290, 465376, 509005, 581720, 610806, 698064, 814408, 872580, 930752, 1018010, 1163440, 1221612, 1396128, 1527015, 1628816, 1745160, 1861504, 2036020, 2326880, 2443224, 2792256, 3054030, 3257632, 3490320, 3723008, 4072040, 4653760, 4886448, 5584512, 6108060, 6515264, 6980640, 8144080, 9307520, 9772896, 11169024, 12216120, 13030528, 13961280, 16288160, 18615040, 19545792, 24432240, 26061056, 27922560, 32576320, 39091584, 48864480, 55845120, 65152640, 78183168, 97728960, 130305280, 195457920, 390915840]

約数ペア:

[(1, 390915840), (2, 195457920), (3, 130305280), (4, 97728960), (5, 78183168), (6, 65152640), (7, 55845120), (8, 48864480), (10, 39091584), (12, 32576320), (14, 27922560), (15, 26061056), (16, 24432240), (20, 19545792), (21, 18615040), (24, 16288160), (28, 13961280), (30, 13030528), (32, 12216120), (35, 11169024), (40, 9772896), (42, 9307520), (48, 8144080), (56, 6980640), (60, 6515264), (64, 6108060), (70, 5584512), (80, 4886448), (84, 4653760), (96, 4072040), (105, 3723008), (112, 3490320), (120, 3257632), (128, 3054030), (140, 2792256), (160, 2443224), (168, 2326880), (192, 2036020), (210, 1861504), (224, 1745160), (240, 1628816), (256, 1527015), (280, 1396128), (320, 1221612), (336, 1163440), (384, 1018010), (420, 930752), (448, 872580), (480, 814408), (560, 698064), (640, 610806), (672, 581720), (768, 509005), (840, 465376), (896, 436290), (960, 407204), (1120, 349032), (1280, 305403), (1344, 290860), (1680, 232688), (1792, 218145), (1920, 203602), (2240, 174516), (2688, 145430), (3360, 116344), (3840, 101801), (4480, 87258), (5376, 72715), (6720, 58172), (8960, 43629), (13440, 29086), (14543, 26880)]