305377280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 208

約数和(自身を含む): 836661504

約数和(自身を除く): 531284224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 64, 65, 74, 80, 104, 124, 128, 130, 148, 155, 160, 185, 208, 248, 256, 260, 296, 310, 320, 370, 403, 416, 481, 496, 512, 520, 592, 620, 640, 740, 806, 832, 962, 992, 1024, 1040, 1147, 1184, 1240, 1280, 1480, 1612, 1664, 1924, 1984, 2015, 2048, 2080, 2294, 2368, 2405, 2480, 2560, 2960, 3224, 3328, 3848, 3968, 4030, 4096, 4160, 4588, 4736, 4810, 4960, 5120, 5735, 5920, 6448, 6656, 7696, 7936, 8060, 8320, 9176, 9472, 9620, 9920, 10240, 11470, 11840, 12896, 13312, 14911, 15392, 15872, 16120, 16640, 18352, 18944, 19240, 19840, 20480, 22940, 23680, 25792, 26624, 29822, 30784, 31744, 32240, 33280, 36704, 37888, 38480, 39680, 45880, 47360, 51584, 53248, 59644, 61568, 63488, 64480, 66560, 73408, 74555, 75776, 76960, 79360, 91760, 94720, 103168, 119288, 123136, 126976, 128960, 133120, 146816, 149110, 151552, 153920, 158720, 183520, 189440, 206336, 238576, 246272, 257920, 266240, 293632, 298220, 307840, 317440, 367040, 378880, 412672, 477152, 492544, 515840, 587264, 596440, 615680, 634880, 734080, 757760, 825344, 954304, 985088, 1031680, 1174528, 1192880, 1231360, 1468160, 1650688, 1908608, 1970176, 2063360, 2349056, 2385760, 2462720, 2936320, 3817216, 4126720, 4698112, 4771520, 4925440, 5872640, 7634432, 8253440, 9543040, 9850880, 11745280, 15268864, 19086080, 23490560, 30537728, 38172160, 61075456, 76344320, 152688640, 305377280]

約数ペア:

[(1, 305377280), (2, 152688640), (4, 76344320), (5, 61075456), (8, 38172160), (10, 30537728), (13, 23490560), (16, 19086080), (20, 15268864), (26, 11745280), (31, 9850880), (32, 9543040), (37, 8253440), (40, 7634432), (52, 5872640), (62, 4925440), (64, 4771520), (65, 4698112), (74, 4126720), (80, 3817216), (104, 2936320), (124, 2462720), (128, 2385760), (130, 2349056), (148, 2063360), (155, 1970176), (160, 1908608), (185, 1650688), (208, 1468160), (248, 1231360), (256, 1192880), (260, 1174528), (296, 1031680), (310, 985088), (320, 954304), (370, 825344), (403, 757760), (416, 734080), (481, 634880), (496, 615680), (512, 596440), (520, 587264), (592, 515840), (620, 492544), (640, 477152), (740, 412672), (806, 378880), (832, 367040), (962, 317440), (992, 307840), (1024, 298220), (1040, 293632), (1147, 266240), (1184, 257920), (1240, 246272), (1280, 238576), (1480, 206336), (1612, 189440), (1664, 183520), (1924, 158720), (1984, 153920), (2015, 151552), (2048, 149110), (2080, 146816), (2294, 133120), (2368, 128960), (2405, 126976), (2480, 123136), (2560, 119288), (2960, 103168), (3224, 94720), (3328, 91760), (3848, 79360), (3968, 76960), (4030, 75776), (4096, 74555), (4160, 73408), (4588, 66560), (4736, 64480), (4810, 63488), (4960, 61568), (5120, 59644), (5735, 53248), (5920, 51584), (6448, 47360), (6656, 45880), (7696, 39680), (7936, 38480), (8060, 37888), (8320, 36704), (9176, 33280), (9472, 32240), (9620, 31744), (9920, 30784), (10240, 29822), (11470, 26624), (11840, 25792), (12896, 23680), (13312, 22940), (14911, 20480), (15392, 19840), (15872, 19240), (16120, 18944), (16640, 18352)]