15957760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 47388096

約数和(自身を除く): 31430336

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, 137, 140, 160, 182, 208, 224, 256, 260, 274, 280, 320, 364, 416, 448, 455, 520, 548, 560, 640, 685, 728, 832, 896, 910, 959, 1040, 1096, 1120, 1280, 1370, 1456, 1664, 1781, 1792, 1820, 1918, 2080, 2192, 2240, 2740, 2912, 3328, 3562, 3640, 3836, 4160, 4384, 4480, 4795, 5480, 5824, 7124, 7280, 7672, 8320, 8768, 8905, 8960, 9590, 10960, 11648, 12467, 14248, 14560, 15344, 16640, 17536, 17810, 19180, 21920, 23296, 24934, 28496, 29120, 30688, 35072, 35620, 38360, 43840, 49868, 56992, 58240, 61376, 62335, 71240, 76720, 87680, 99736, 113984, 116480, 122752, 124670, 142480, 153440, 175360, 199472, 227968, 245504, 249340, 284960, 306880, 398944, 455936, 498680, 569920, 613760, 797888, 997360, 1139840, 1227520, 1595776, 1994720, 2279680, 3191552, 3989440, 7978880, 15957760]

約数ペア:

[(1, 15957760), (2, 7978880), (4, 3989440), (5, 3191552), (7, 2279680), (8, 1994720), (10, 1595776), (13, 1227520), (14, 1139840), (16, 997360), (20, 797888), (26, 613760), (28, 569920), (32, 498680), (35, 455936), (40, 398944), (52, 306880), (56, 284960), (64, 249340), (65, 245504), (70, 227968), (80, 199472), (91, 175360), (104, 153440), (112, 142480), (128, 124670), (130, 122752), (137, 116480), (140, 113984), (160, 99736), (182, 87680), (208, 76720), (224, 71240), (256, 62335), (260, 61376), (274, 58240), (280, 56992), (320, 49868), (364, 43840), (416, 38360), (448, 35620), (455, 35072), (520, 30688), (548, 29120), (560, 28496), (640, 24934), (685, 23296), (728, 21920), (832, 19180), (896, 17810), (910, 17536), (959, 16640), (1040, 15344), (1096, 14560), (1120, 14248), (1280, 12467), (1370, 11648), (1456, 10960), (1664, 9590), (1781, 8960), (1792, 8905), (1820, 8768), (1918, 8320), (2080, 7672), (2192, 7280), (2240, 7124), (2740, 5824), (2912, 5480), (3328, 4795), (3562, 4480), (3640, 4384), (3836, 4160)]