16390920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 256

約数和(自身を含む): 64512000

約数和(自身を除く): 48121080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 79, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 158, 168, 182, 190, 195, 210, 228, 237, 247, 260, 266, 273, 280, 285, 312, 316, 364, 380, 390, 395, 399, 420, 455, 456, 474, 494, 520, 532, 546, 553, 570, 632, 665, 728, 741, 760, 780, 790, 798, 840, 910, 948, 988, 1027, 1064, 1092, 1106, 1140, 1185, 1235, 1330, 1365, 1482, 1501, 1560, 1580, 1596, 1659, 1729, 1820, 1896, 1976, 1995, 2054, 2184, 2212, 2280, 2370, 2470, 2660, 2730, 2765, 2964, 3002, 3081, 3160, 3192, 3318, 3458, 3640, 3705, 3990, 4108, 4424, 4503, 4740, 4940, 5135, 5187, 5320, 5460, 5530, 5928, 6004, 6162, 6636, 6916, 7189, 7410, 7505, 7980, 8216, 8295, 8645, 9006, 9480, 9880, 10270, 10374, 10507, 10920, 11060, 12008, 12324, 13272, 13832, 14378, 14820, 15010, 15405, 15960, 16590, 17290, 18012, 19513, 20540, 20748, 21014, 21567, 22120, 22515, 24648, 25935, 28756, 29640, 30020, 30810, 31521, 33180, 34580, 35945, 36024, 39026, 41080, 41496, 42028, 43134, 45030, 51870, 52535, 57512, 58539, 60040, 61620, 63042, 66360, 69160, 71890, 78052, 84056, 86268, 90060, 97565, 103740, 105070, 107835, 117078, 123240, 126084, 136591, 143780, 156104, 157605, 172536, 180120, 195130, 207480, 210140, 215670, 234156, 252168, 273182, 287560, 292695, 315210, 390260, 409773, 420280, 431340, 468312, 546364, 585390, 630420, 682955, 780520, 819546, 862680, 1092728, 1170780, 1260840, 1365910, 1639092, 2048865, 2341560, 2731820, 3278184, 4097730, 5463640, 8195460, 16390920]

約数ペア:

[(1, 16390920), (2, 8195460), (3, 5463640), (4, 4097730), (5, 3278184), (6, 2731820), (7, 2341560), (8, 2048865), (10, 1639092), (12, 1365910), (13, 1260840), (14, 1170780), (15, 1092728), (19, 862680), (20, 819546), (21, 780520), (24, 682955), (26, 630420), (28, 585390), (30, 546364), (35, 468312), (38, 431340), (39, 420280), (40, 409773), (42, 390260), (52, 315210), (56, 292695), (57, 287560), (60, 273182), (65, 252168), (70, 234156), (76, 215670), (78, 210140), (79, 207480), (84, 195130), (91, 180120), (95, 172536), (104, 157605), (105, 156104), (114, 143780), (120, 136591), (130, 126084), (133, 123240), (140, 117078), (152, 107835), (156, 105070), (158, 103740), (168, 97565), (182, 90060), (190, 86268), (195, 84056), (210, 78052), (228, 71890), (237, 69160), (247, 66360), (260, 63042), (266, 61620), (273, 60040), (280, 58539), (285, 57512), (312, 52535), (316, 51870), (364, 45030), (380, 43134), (390, 42028), (395, 41496), (399, 41080), (420, 39026), (455, 36024), (456, 35945), (474, 34580), (494, 33180), (520, 31521), (532, 30810), (546, 30020), (553, 29640), (570, 28756), (632, 25935), (665, 24648), (728, 22515), (741, 22120), (760, 21567), (780, 21014), (790, 20748), (798, 20540), (840, 19513), (910, 18012), (948, 17290), (988, 16590), (1027, 15960), (1064, 15405), (1092, 15010), (1106, 14820), (1140, 14378), (1185, 13832), (1235, 13272), (1330, 12324), (1365, 12008), (1482, 11060), (1501, 10920), (1560, 10507), (1580, 10374), (1596, 10270), (1659, 9880), (1729, 9480), (1820, 9006), (1896, 8645), (1976, 8295), (1995, 8216), (2054, 7980), (2184, 7505), (2212, 7410), (2280, 7189), (2370, 6916), (2470, 6636), (2660, 6162), (2730, 6004), (2765, 5928), (2964, 5530), (3002, 5460), (3081, 5320), (3160, 5187), (3192, 5135), (3318, 4940), (3458, 4740), (3640, 4503), (3705, 4424), (3990, 4108)]