38030720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 128

約数和(自身を含む): 112069440

約数和(自身を除く): 74038720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 653, 728, 832, 896, 910, 1040, 1120, 1306, 1456, 1664, 1820, 2080, 2240, 2612, 2912, 3265, 3640, 4160, 4480, 4571, 5224, 5824, 6530, 7280, 8320, 8489, 9142, 10448, 11648, 13060, 14560, 16978, 18284, 20896, 22855, 26120, 29120, 33956, 36568, 41792, 42445, 45710, 52240, 58240, 59423, 67912, 73136, 83584, 84890, 91420, 104480, 118846, 135824, 146272, 169780, 182840, 208960, 237692, 271648, 292544, 297115, 339560, 365680, 417920, 475384, 543296, 585088, 594230, 679120, 731360, 950768, 1086592, 1188460, 1358240, 1462720, 1901536, 2376920, 2716480, 2925440, 3803072, 4753840, 5432960, 7606144, 9507680, 19015360, 38030720]

約数ペア:

[(1, 38030720), (2, 19015360), (4, 9507680), (5, 7606144), (7, 5432960), (8, 4753840), (10, 3803072), (13, 2925440), (14, 2716480), (16, 2376920), (20, 1901536), (26, 1462720), (28, 1358240), (32, 1188460), (35, 1086592), (40, 950768), (52, 731360), (56, 679120), (64, 594230), (65, 585088), (70, 543296), (80, 475384), (91, 417920), (104, 365680), (112, 339560), (128, 297115), (130, 292544), (140, 271648), (160, 237692), (182, 208960), (208, 182840), (224, 169780), (260, 146272), (280, 135824), (320, 118846), (364, 104480), (416, 91420), (448, 84890), (455, 83584), (520, 73136), (560, 67912), (640, 59423), (653, 58240), (728, 52240), (832, 45710), (896, 42445), (910, 41792), (1040, 36568), (1120, 33956), (1306, 29120), (1456, 26120), (1664, 22855), (1820, 20896), (2080, 18284), (2240, 16978), (2612, 14560), (2912, 13060), (3265, 11648), (3640, 10448), (4160, 9142), (4480, 8489), (4571, 8320), (5224, 7280), (5824, 6530)]