161408320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 405554688

約数和(自身を除く): 244146368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 155, 160, 212, 248, 265, 307, 310, 320, 424, 496, 530, 614, 620, 848, 992, 1060, 1228, 1240, 1535, 1643, 1696, 1984, 2120, 2456, 2480, 3070, 3286, 3392, 4240, 4912, 4960, 6140, 6572, 8215, 8480, 9517, 9824, 9920, 12280, 13144, 16271, 16430, 16960, 19034, 19648, 24560, 26288, 32542, 32860, 38068, 47585, 49120, 52576, 65084, 65720, 76136, 81355, 95170, 98240, 105152, 130168, 131440, 152272, 162710, 190340, 260336, 262880, 304544, 325420, 380680, 504401, 520672, 525760, 609088, 650840, 761360, 1008802, 1041344, 1301680, 1522720, 2017604, 2522005, 2603360, 3045440, 4035208, 5044010, 5206720, 8070416, 10088020, 16140832, 20176040, 32281664, 40352080, 80704160, 161408320]

約数ペア:

[(1, 161408320), (2, 80704160), (4, 40352080), (5, 32281664), (8, 20176040), (10, 16140832), (16, 10088020), (20, 8070416), (31, 5206720), (32, 5044010), (40, 4035208), (53, 3045440), (62, 2603360), (64, 2522005), (80, 2017604), (106, 1522720), (124, 1301680), (155, 1041344), (160, 1008802), (212, 761360), (248, 650840), (265, 609088), (307, 525760), (310, 520672), (320, 504401), (424, 380680), (496, 325420), (530, 304544), (614, 262880), (620, 260336), (848, 190340), (992, 162710), (1060, 152272), (1228, 131440), (1240, 130168), (1535, 105152), (1643, 98240), (1696, 95170), (1984, 81355), (2120, 76136), (2456, 65720), (2480, 65084), (3070, 52576), (3286, 49120), (3392, 47585), (4240, 38068), (4912, 32860), (4960, 32542), (6140, 26288), (6572, 24560), (8215, 19648), (8480, 19034), (9517, 16960), (9824, 16430), (9920, 16271), (12280, 13144)]