665292040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 1761730560

約数和(自身を除く): 1096438520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 127, 140, 212, 254, 265, 280, 353, 371, 424, 508, 530, 635, 706, 742, 889, 1016, 1060, 1270, 1412, 1484, 1765, 1778, 1855, 2120, 2471, 2540, 2824, 2968, 3530, 3556, 3710, 4445, 4942, 5080, 6731, 7060, 7112, 7420, 8890, 9884, 12355, 13462, 14120, 14840, 17780, 18709, 19768, 24710, 26924, 33655, 35560, 37418, 44831, 47117, 49420, 53848, 67310, 74836, 89662, 93545, 94234, 98840, 130963, 134620, 149672, 179324, 187090, 188468, 224155, 235585, 261926, 269240, 313817, 358648, 374180, 376936, 448310, 471170, 523852, 627634, 654815, 748360, 896620, 942340, 1047704, 1255268, 1309630, 1569085, 1793240, 1884680, 2376043, 2510536, 2619260, 3138170, 4752086, 5238520, 6276340, 9504172, 11880215, 12552680, 16632301, 19008344, 23760430, 33264602, 47520860, 66529204, 83161505, 95041720, 133058408, 166323010, 332646020, 665292040]

約数ペア:

[(1, 665292040), (2, 332646020), (4, 166323010), (5, 133058408), (7, 95041720), (8, 83161505), (10, 66529204), (14, 47520860), (20, 33264602), (28, 23760430), (35, 19008344), (40, 16632301), (53, 12552680), (56, 11880215), (70, 9504172), (106, 6276340), (127, 5238520), (140, 4752086), (212, 3138170), (254, 2619260), (265, 2510536), (280, 2376043), (353, 1884680), (371, 1793240), (424, 1569085), (508, 1309630), (530, 1255268), (635, 1047704), (706, 942340), (742, 896620), (889, 748360), (1016, 654815), (1060, 627634), (1270, 523852), (1412, 471170), (1484, 448310), (1765, 376936), (1778, 374180), (1855, 358648), (2120, 313817), (2471, 269240), (2540, 261926), (2824, 235585), (2968, 224155), (3530, 188468), (3556, 187090), (3710, 179324), (4445, 149672), (4942, 134620), (5080, 130963), (6731, 98840), (7060, 94234), (7112, 93545), (7420, 89662), (8890, 74836), (9884, 67310), (12355, 53848), (13462, 49420), (14120, 47117), (14840, 44831), (17780, 37418), (18709, 35560), (19768, 33655), (24710, 26924)]