16988790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 51609600

約数和(自身を除く): 34620810

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 127, 130, 147, 182, 195, 210, 245, 254, 273, 294, 343, 381, 390, 455, 490, 546, 635, 637, 686, 735, 762, 889, 910, 1029, 1270, 1274, 1365, 1470, 1651, 1715, 1778, 1905, 1911, 2058, 2667, 2730, 3185, 3302, 3430, 3810, 3822, 4445, 4459, 4953, 5145, 5334, 6223, 6370, 8255, 8890, 8918, 9555, 9906, 10290, 11557, 12446, 13335, 13377, 16510, 18669, 19110, 22295, 23114, 24765, 26670, 26754, 31115, 34671, 37338, 43561, 44590, 49530, 57785, 62230, 66885, 69342, 80899, 87122, 93345, 115570, 130683, 133770, 161798, 173355, 186690, 217805, 242697, 261366, 346710, 404495, 435610, 485394, 566293, 653415, 808990, 1132586, 1213485, 1306830, 1698879, 2426970, 2831465, 3397758, 5662930, 8494395, 16988790]

約数ペア:

[(1, 16988790), (2, 8494395), (3, 5662930), (5, 3397758), (6, 2831465), (7, 2426970), (10, 1698879), (13, 1306830), (14, 1213485), (15, 1132586), (21, 808990), (26, 653415), (30, 566293), (35, 485394), (39, 435610), (42, 404495), (49, 346710), (65, 261366), (70, 242697), (78, 217805), (91, 186690), (98, 173355), (105, 161798), (127, 133770), (130, 130683), (147, 115570), (182, 93345), (195, 87122), (210, 80899), (245, 69342), (254, 66885), (273, 62230), (294, 57785), (343, 49530), (381, 44590), (390, 43561), (455, 37338), (490, 34671), (546, 31115), (635, 26754), (637, 26670), (686, 24765), (735, 23114), (762, 22295), (889, 19110), (910, 18669), (1029, 16510), (1270, 13377), (1274, 13335), (1365, 12446), (1470, 11557), (1651, 10290), (1715, 9906), (1778, 9555), (1905, 8918), (1911, 8890), (2058, 8255), (2667, 6370), (2730, 6223), (3185, 5334), (3302, 5145), (3430, 4953), (3810, 4459), (3822, 4445)]