251561280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 224

約数和(自身を含む): 842711040

約数和(自身を除く): 591149760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 79, 80, 93, 96, 107, 120, 124, 155, 158, 160, 186, 192, 214, 237, 240, 248, 310, 316, 320, 321, 372, 395, 428, 465, 474, 480, 496, 535, 620, 632, 642, 744, 790, 856, 930, 948, 960, 992, 1070, 1185, 1240, 1264, 1284, 1488, 1580, 1605, 1712, 1860, 1896, 1984, 2140, 2370, 2449, 2480, 2528, 2568, 2976, 3160, 3210, 3317, 3424, 3720, 3792, 4280, 4740, 4898, 4960, 5056, 5136, 5952, 6320, 6420, 6634, 6848, 7347, 7440, 7584, 8453, 8560, 9480, 9796, 9920, 9951, 10272, 12245, 12640, 12840, 13268, 14694, 14880, 15168, 16585, 16906, 17120, 18960, 19592, 19902, 20544, 24490, 25280, 25359, 25680, 26536, 29388, 29760, 33170, 33812, 34240, 36735, 37920, 39184, 39804, 42265, 48980, 49755, 50718, 51360, 53072, 58776, 66340, 67624, 73470, 75840, 78368, 79608, 84530, 97960, 99510, 101436, 102720, 106144, 117552, 126795, 132680, 135248, 146940, 156736, 159216, 169060, 195920, 199020, 202872, 212288, 235104, 253590, 262043, 265360, 270496, 293880, 318432, 338120, 391840, 398040, 405744, 470208, 507180, 524086, 530720, 540992, 587760, 636864, 676240, 783680, 786129, 796080, 811488, 1014360, 1048172, 1061440, 1175520, 1310215, 1352480, 1572258, 1592160, 1622976, 2028720, 2096344, 2351040, 2620430, 2704960, 3144516, 3184320, 3930645, 4057440, 4192688, 5240860, 6289032, 7861290, 8114880, 8385376, 10481720, 12578064, 15722580, 16770752, 20963440, 25156128, 31445160, 41926880, 50312256, 62890320, 83853760, 125780640, 251561280]

約数ペア:

[(1, 251561280), (2, 125780640), (3, 83853760), (4, 62890320), (5, 50312256), (6, 41926880), (8, 31445160), (10, 25156128), (12, 20963440), (15, 16770752), (16, 15722580), (20, 12578064), (24, 10481720), (30, 8385376), (31, 8114880), (32, 7861290), (40, 6289032), (48, 5240860), (60, 4192688), (62, 4057440), (64, 3930645), (79, 3184320), (80, 3144516), (93, 2704960), (96, 2620430), (107, 2351040), (120, 2096344), (124, 2028720), (155, 1622976), (158, 1592160), (160, 1572258), (186, 1352480), (192, 1310215), (214, 1175520), (237, 1061440), (240, 1048172), (248, 1014360), (310, 811488), (316, 796080), (320, 786129), (321, 783680), (372, 676240), (395, 636864), (428, 587760), (465, 540992), (474, 530720), (480, 524086), (496, 507180), (535, 470208), (620, 405744), (632, 398040), (642, 391840), (744, 338120), (790, 318432), (856, 293880), (930, 270496), (948, 265360), (960, 262043), (992, 253590), (1070, 235104), (1185, 212288), (1240, 202872), (1264, 199020), (1284, 195920), (1488, 169060), (1580, 159216), (1605, 156736), (1712, 146940), (1860, 135248), (1896, 132680), (1984, 126795), (2140, 117552), (2370, 106144), (2449, 102720), (2480, 101436), (2528, 99510), (2568, 97960), (2976, 84530), (3160, 79608), (3210, 78368), (3317, 75840), (3424, 73470), (3720, 67624), (3792, 66340), (4280, 58776), (4740, 53072), (4898, 51360), (4960, 50718), (5056, 49755), (5136, 48980), (5952, 42265), (6320, 39804), (6420, 39184), (6634, 37920), (6848, 36735), (7347, 34240), (7440, 33812), (7584, 33170), (8453, 29760), (8560, 29388), (9480, 26536), (9796, 25680), (9920, 25359), (9951, 25280), (10272, 24490), (12245, 20544), (12640, 19902), (12840, 19592), (13268, 18960), (14694, 17120), (14880, 16906), (15168, 16585)]