65975700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 221235840

約数和(自身を除く): 155260140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 89, 100, 105, 140, 150, 175, 178, 210, 267, 300, 350, 353, 356, 420, 445, 525, 534, 623, 700, 706, 890, 1050, 1059, 1068, 1246, 1335, 1412, 1765, 1780, 1869, 2100, 2118, 2225, 2471, 2492, 2670, 3115, 3530, 3738, 4236, 4450, 4942, 5295, 5340, 6230, 6675, 7060, 7413, 7476, 8825, 8900, 9345, 9884, 10590, 12355, 12460, 13350, 14826, 15575, 17650, 18690, 21180, 24710, 26475, 26700, 29652, 31150, 31417, 35300, 37065, 37380, 46725, 49420, 52950, 61775, 62300, 62834, 74130, 93450, 94251, 105900, 123550, 125668, 148260, 157085, 185325, 186900, 188502, 219919, 247100, 314170, 370650, 377004, 439838, 471255, 628340, 659757, 741300, 785425, 879676, 942510, 1099595, 1319514, 1570850, 1885020, 2199190, 2356275, 2639028, 3141700, 3298785, 4398380, 4712550, 5497975, 6597570, 9425100, 10995950, 13195140, 16493925, 21991900, 32987850, 65975700]

約数ペア:

[(1, 65975700), (2, 32987850), (3, 21991900), (4, 16493925), (5, 13195140), (6, 10995950), (7, 9425100), (10, 6597570), (12, 5497975), (14, 4712550), (15, 4398380), (20, 3298785), (21, 3141700), (25, 2639028), (28, 2356275), (30, 2199190), (35, 1885020), (42, 1570850), (50, 1319514), (60, 1099595), (70, 942510), (75, 879676), (84, 785425), (89, 741300), (100, 659757), (105, 628340), (140, 471255), (150, 439838), (175, 377004), (178, 370650), (210, 314170), (267, 247100), (300, 219919), (350, 188502), (353, 186900), (356, 185325), (420, 157085), (445, 148260), (525, 125668), (534, 123550), (623, 105900), (700, 94251), (706, 93450), (890, 74130), (1050, 62834), (1059, 62300), (1068, 61775), (1246, 52950), (1335, 49420), (1412, 46725), (1765, 37380), (1780, 37065), (1869, 35300), (2100, 31417), (2118, 31150), (2225, 29652), (2471, 26700), (2492, 26475), (2670, 24710), (3115, 21180), (3530, 18690), (3738, 17650), (4236, 15575), (4450, 14826), (4942, 13350), (5295, 12460), (5340, 12355), (6230, 10590), (6675, 9884), (7060, 9345), (7413, 8900), (7476, 8825)]