289425920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:582

約数の個数: 160

約数和(自身を含む): 820233216

約数和(自身を除く): 530807296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 521, 560, 620, 640, 868, 896, 992, 1042, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2084, 2170, 2240, 2480, 2560, 2605, 3472, 3584, 3647, 3968, 4168, 4340, 4480, 4960, 5210, 6944, 7294, 7936, 8336, 8680, 8960, 9920, 10420, 13888, 14588, 15872, 16151, 16672, 17360, 17920, 18235, 19840, 20840, 27776, 29176, 32302, 33344, 34720, 36470, 39680, 41680, 55552, 58352, 64604, 66688, 69440, 72940, 79360, 80755, 83360, 111104, 113057, 116704, 129208, 133376, 138880, 145880, 161510, 166720, 226114, 233408, 258416, 266752, 277760, 291760, 323020, 333440, 452228, 466816, 516832, 555520, 565285, 583520, 646040, 666880, 904456, 933632, 1033664, 1130570, 1167040, 1292080, 1333760, 1808912, 1867264, 2067328, 2261140, 2334080, 2584160, 3617824, 4134656, 4522280, 4668160, 5168320, 7235648, 8269312, 9044560, 9336320, 10336640, 14471296, 18089120, 20673280, 28942592, 36178240, 41346560, 57885184, 72356480, 144712960, 289425920]

約数ペア:

[(1, 289425920), (2, 144712960), (4, 72356480), (5, 57885184), (7, 41346560), (8, 36178240), (10, 28942592), (14, 20673280), (16, 18089120), (20, 14471296), (28, 10336640), (31, 9336320), (32, 9044560), (35, 8269312), (40, 7235648), (56, 5168320), (62, 4668160), (64, 4522280), (70, 4134656), (80, 3617824), (112, 2584160), (124, 2334080), (128, 2261140), (140, 2067328), (155, 1867264), (160, 1808912), (217, 1333760), (224, 1292080), (248, 1167040), (256, 1130570), (280, 1033664), (310, 933632), (320, 904456), (434, 666880), (448, 646040), (496, 583520), (512, 565285), (521, 555520), (560, 516832), (620, 466816), (640, 452228), (868, 333440), (896, 323020), (992, 291760), (1042, 277760), (1085, 266752), (1120, 258416), (1240, 233408), (1280, 226114), (1736, 166720), (1792, 161510), (1984, 145880), (2084, 138880), (2170, 133376), (2240, 129208), (2480, 116704), (2560, 113057), (2605, 111104), (3472, 83360), (3584, 80755), (3647, 79360), (3968, 72940), (4168, 69440), (4340, 66688), (4480, 64604), (4960, 58352), (5210, 55552), (6944, 41680), (7294, 39680), (7936, 36470), (8336, 34720), (8680, 33344), (8960, 32302), (9920, 29176), (10420, 27776), (13888, 20840), (14588, 19840), (15872, 18235), (16151, 17920), (16672, 17360)]