620912880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:728

約数の個数: 240

約数和(自身を含む): 2396721600

約数和(自身を除く): 1775808720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 349, 353, 360, 420, 504, 560, 630, 698, 706, 720, 840, 1008, 1047, 1059, 1260, 1396, 1412, 1680, 1745, 1765, 2094, 2118, 2443, 2471, 2520, 2792, 2824, 3141, 3177, 3490, 3530, 4188, 4236, 4886, 4942, 5040, 5235, 5295, 5584, 5648, 6282, 6354, 6980, 7060, 7329, 7413, 8376, 8472, 9772, 9884, 10470, 10590, 12215, 12355, 12564, 12708, 13960, 14120, 14658, 14826, 15705, 15885, 16752, 16944, 19544, 19768, 20940, 21180, 21987, 22239, 24430, 24710, 25128, 25416, 27920, 28240, 29316, 29652, 31410, 31770, 36645, 37065, 39088, 39536, 41880, 42360, 43974, 44478, 48860, 49420, 50256, 50832, 58632, 59304, 62820, 63540, 73290, 74130, 83760, 84720, 87948, 88956, 97720, 98840, 109935, 111195, 117264, 118608, 123197, 125640, 127080, 146580, 148260, 175896, 177912, 195440, 197680, 219870, 222390, 246394, 251280, 254160, 293160, 296520, 351792, 355824, 369591, 439740, 444780, 492788, 586320, 593040, 615985, 739182, 862379, 879480, 889560, 985576, 1108773, 1231970, 1478364, 1724758, 1758960, 1779120, 1847955, 1971152, 2217546, 2463940, 2587137, 2956728, 3449516, 3695910, 4311895, 4435092, 4927880, 5174274, 5543865, 5913456, 6899032, 7391820, 7761411, 8623790, 8870184, 9855760, 10348548, 11087730, 12935685, 13798064, 14783640, 15522822, 17247580, 17740368, 20697096, 22175460, 25871370, 29567280, 31045644, 34495160, 38807055, 41394192, 44350920, 51742740, 62091288, 68990320, 77614110, 88701840, 103485480, 124182576, 155228220, 206970960, 310456440, 620912880]

約数ペア:

[(1, 620912880), (2, 310456440), (3, 206970960), (4, 155228220), (5, 124182576), (6, 103485480), (7, 88701840), (8, 77614110), (9, 68990320), (10, 62091288), (12, 51742740), (14, 44350920), (15, 41394192), (16, 38807055), (18, 34495160), (20, 31045644), (21, 29567280), (24, 25871370), (28, 22175460), (30, 20697096), (35, 17740368), (36, 17247580), (40, 15522822), (42, 14783640), (45, 13798064), (48, 12935685), (56, 11087730), (60, 10348548), (63, 9855760), (70, 8870184), (72, 8623790), (80, 7761411), (84, 7391820), (90, 6899032), (105, 5913456), (112, 5543865), (120, 5174274), (126, 4927880), (140, 4435092), (144, 4311895), (168, 3695910), (180, 3449516), (210, 2956728), (240, 2587137), (252, 2463940), (280, 2217546), (315, 1971152), (336, 1847955), (349, 1779120), (353, 1758960), (360, 1724758), (420, 1478364), (504, 1231970), (560, 1108773), (630, 985576), (698, 889560), (706, 879480), (720, 862379), (840, 739182), (1008, 615985), (1047, 593040), (1059, 586320), (1260, 492788), (1396, 444780), (1412, 439740), (1680, 369591), (1745, 355824), (1765, 351792), (2094, 296520), (2118, 293160), (2443, 254160), (2471, 251280), (2520, 246394), (2792, 222390), (2824, 219870), (3141, 197680), (3177, 195440), (3490, 177912), (3530, 175896), (4188, 148260), (4236, 146580), (4886, 127080), (4942, 125640), (5040, 123197), (5235, 118608), (5295, 117264), (5584, 111195), (5648, 109935), (6282, 98840), (6354, 97720), (6980, 88956), (7060, 87948), (7329, 84720), (7413, 83760), (8376, 74130), (8472, 73290), (9772, 63540), (9884, 62820), (10470, 59304), (10590, 58632), (12215, 50832), (12355, 50256), (12564, 49420), (12708, 48860), (13960, 44478), (14120, 43974), (14658, 42360), (14826, 41880), (15705, 39536), (15885, 39088), (16752, 37065), (16944, 36645), (19544, 31770), (19768, 31410), (20940, 29652), (21180, 29316), (21987, 28240), (22239, 27920), (24430, 25416), (24710, 25128)]