79951920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2543}}^1$

素因数の和:2690

約数の個数: 80

約数和(自身を含む): 249841152

約数和(自身を除く): 169889232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2543, 2620, 3144, 3930, 5086, 5240, 6288, 7629, 7860, 10172, 10480, 12715, 15258, 15720, 20344, 25430, 30516, 31440, 38145, 40688, 50860, 61032, 76290, 101720, 122064, 152580, 203440, 305160, 333133, 610320, 666266, 999399, 1332532, 1665665, 1998798, 2665064, 3331330, 3997596, 4996995, 5330128, 6662660, 7995192, 9993990, 13325320, 15990384, 19987980, 26650640, 39975960, 79951920]

約数ペア:

[(1, 79951920), (2, 39975960), (3, 26650640), (4, 19987980), (5, 15990384), (6, 13325320), (8, 9993990), (10, 7995192), (12, 6662660), (15, 5330128), (16, 4996995), (20, 3997596), (24, 3331330), (30, 2665064), (40, 1998798), (48, 1665665), (60, 1332532), (80, 999399), (120, 666266), (131, 610320), (240, 333133), (262, 305160), (393, 203440), (524, 152580), (655, 122064), (786, 101720), (1048, 76290), (1310, 61032), (1572, 50860), (1965, 40688), (2096, 38145), (2543, 31440), (2620, 30516), (3144, 25430), (3930, 20344), (5086, 15720), (5240, 15258), (6288, 12715), (7629, 10480), (7860, 10172)]