155242920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 572313600

約数和(自身を除く): 417070680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 71, 76, 84, 95, 105, 114, 120, 133, 137, 140, 142, 152, 168, 190, 210, 213, 228, 266, 274, 280, 284, 285, 355, 380, 399, 411, 420, 426, 456, 497, 532, 548, 568, 570, 665, 685, 710, 760, 798, 822, 840, 852, 959, 994, 1064, 1065, 1096, 1140, 1330, 1349, 1370, 1420, 1491, 1596, 1644, 1704, 1918, 1988, 1995, 2055, 2130, 2280, 2485, 2603, 2660, 2698, 2740, 2840, 2877, 2982, 3192, 3288, 3836, 3976, 3990, 4047, 4110, 4260, 4795, 4970, 5206, 5320, 5396, 5480, 5754, 5964, 6745, 7455, 7672, 7809, 7980, 8094, 8220, 8520, 9443, 9590, 9727, 9940, 10412, 10792, 11508, 11928, 13015, 13490, 14385, 14910, 15618, 15960, 16188, 16440, 18221, 18886, 19180, 19454, 19880, 20235, 20824, 23016, 26030, 26980, 28329, 28770, 29181, 29820, 31236, 32376, 36442, 37772, 38360, 38908, 39045, 40470, 47215, 48635, 52060, 53960, 54663, 56658, 57540, 58362, 59640, 62472, 68089, 72884, 75544, 77816, 78090, 80940, 91105, 94430, 97270, 104120, 109326, 113316, 115080, 116724, 136178, 141645, 145768, 145905, 156180, 161880, 182210, 184813, 188860, 194540, 204267, 218652, 226632, 233448, 272356, 273315, 283290, 291810, 312360, 340445, 364420, 369626, 377720, 389080, 408534, 437304, 544712, 546630, 554439, 566580, 583620, 680890, 728840, 739252, 817068, 924065, 1021335, 1093260, 1108878, 1133160, 1167240, 1293691, 1361780, 1478504, 1634136, 1848130, 2042670, 2186520, 2217756, 2587382, 2723560, 2772195, 3696260, 3881073, 4085340, 4435512, 5174764, 5544390, 6468455, 7392520, 7762146, 8170680, 10349528, 11088780, 12936910, 15524292, 19405365, 22177560, 25873820, 31048584, 38810730, 51747640, 77621460, 155242920]

約数ペア:

[(1, 155242920), (2, 77621460), (3, 51747640), (4, 38810730), (5, 31048584), (6, 25873820), (7, 22177560), (8, 19405365), (10, 15524292), (12, 12936910), (14, 11088780), (15, 10349528), (19, 8170680), (20, 7762146), (21, 7392520), (24, 6468455), (28, 5544390), (30, 5174764), (35, 4435512), (38, 4085340), (40, 3881073), (42, 3696260), (56, 2772195), (57, 2723560), (60, 2587382), (70, 2217756), (71, 2186520), (76, 2042670), (84, 1848130), (95, 1634136), (105, 1478504), (114, 1361780), (120, 1293691), (133, 1167240), (137, 1133160), (140, 1108878), (142, 1093260), (152, 1021335), (168, 924065), (190, 817068), (210, 739252), (213, 728840), (228, 680890), (266, 583620), (274, 566580), (280, 554439), (284, 546630), (285, 544712), (355, 437304), (380, 408534), (399, 389080), (411, 377720), (420, 369626), (426, 364420), (456, 340445), (497, 312360), (532, 291810), (548, 283290), (568, 273315), (570, 272356), (665, 233448), (685, 226632), (710, 218652), (760, 204267), (798, 194540), (822, 188860), (840, 184813), (852, 182210), (959, 161880), (994, 156180), (1064, 145905), (1065, 145768), (1096, 141645), (1140, 136178), (1330, 116724), (1349, 115080), (1370, 113316), (1420, 109326), (1491, 104120), (1596, 97270), (1644, 94430), (1704, 91105), (1918, 80940), (1988, 78090), (1995, 77816), (2055, 75544), (2130, 72884), (2280, 68089), (2485, 62472), (2603, 59640), (2660, 58362), (2698, 57540), (2740, 56658), (2840, 54663), (2877, 53960), (2982, 52060), (3192, 48635), (3288, 47215), (3836, 40470), (3976, 39045), (3990, 38908), (4047, 38360), (4110, 37772), (4260, 36442), (4795, 32376), (4970, 31236), (5206, 29820), (5320, 29181), (5396, 28770), (5480, 28329), (5754, 26980), (5964, 26030), (6745, 23016), (7455, 20824), (7672, 20235), (7809, 19880), (7980, 19454), (8094, 19180), (8220, 18886), (8520, 18221), (9443, 16440), (9590, 16188), (9727, 15960), (9940, 15618), (10412, 14910), (10792, 14385), (11508, 13490), (11928, 13015)]