978120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 192

約数和(自身を含む): 3931200

約数和(自身を除く): 2953080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 19, 20, 22, 24, 26, 30, 33, 36, 38, 39, 40, 44, 45, 52, 55, 57, 60, 65, 66, 72, 76, 78, 88, 90, 95, 99, 104, 110, 114, 117, 120, 130, 132, 143, 152, 156, 165, 171, 180, 190, 195, 198, 209, 220, 228, 234, 247, 260, 264, 285, 286, 312, 330, 342, 360, 380, 390, 396, 418, 429, 440, 456, 468, 494, 495, 520, 570, 572, 585, 627, 660, 684, 715, 741, 760, 780, 792, 836, 855, 858, 936, 988, 990, 1045, 1140, 1144, 1170, 1235, 1254, 1287, 1320, 1368, 1430, 1482, 1560, 1672, 1710, 1716, 1881, 1976, 1980, 2090, 2145, 2223, 2280, 2340, 2470, 2508, 2574, 2717, 2860, 2964, 3135, 3420, 3432, 3705, 3762, 3960, 4180, 4290, 4446, 4680, 4940, 5016, 5148, 5434, 5720, 5928, 6270, 6435, 6840, 7410, 7524, 8151, 8360, 8580, 8892, 9405, 9880, 10296, 10868, 11115, 12540, 12870, 13585, 14820, 15048, 16302, 17160, 17784, 18810, 21736, 22230, 24453, 25080, 25740, 27170, 29640, 32604, 37620, 40755, 44460, 48906, 51480, 54340, 65208, 75240, 81510, 88920, 97812, 108680, 122265, 163020, 195624, 244530, 326040, 489060, 978120]

約数ペア:

[(1, 978120), (2, 489060), (3, 326040), (4, 244530), (5, 195624), (6, 163020), (8, 122265), (9, 108680), (10, 97812), (11, 88920), (12, 81510), (13, 75240), (15, 65208), (18, 54340), (19, 51480), (20, 48906), (22, 44460), (24, 40755), (26, 37620), (30, 32604), (33, 29640), (36, 27170), (38, 25740), (39, 25080), (40, 24453), (44, 22230), (45, 21736), (52, 18810), (55, 17784), (57, 17160), (60, 16302), (65, 15048), (66, 14820), (72, 13585), (76, 12870), (78, 12540), (88, 11115), (90, 10868), (95, 10296), (99, 9880), (104, 9405), (110, 8892), (114, 8580), (117, 8360), (120, 8151), (130, 7524), (132, 7410), (143, 6840), (152, 6435), (156, 6270), (165, 5928), (171, 5720), (180, 5434), (190, 5148), (195, 5016), (198, 4940), (209, 4680), (220, 4446), (228, 4290), (234, 4180), (247, 3960), (260, 3762), (264, 3705), (285, 3432), (286, 3420), (312, 3135), (330, 2964), (342, 2860), (360, 2717), (380, 2574), (390, 2508), (396, 2470), (418, 2340), (429, 2280), (440, 2223), (456, 2145), (468, 2090), (494, 1980), (495, 1976), (520, 1881), (570, 1716), (572, 1710), (585, 1672), (627, 1560), (660, 1482), (684, 1430), (715, 1368), (741, 1320), (760, 1287), (780, 1254), (792, 1235), (836, 1170), (855, 1144), (858, 1140), (936, 1045), (988, 990)]