1520383865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 2633637888

約数和(自身を除く): 1113254023

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 107, 119, 143, 167, 187, 221, 385, 455, 535, 595, 715, 749, 835, 935, 1001, 1105, 1169, 1177, 1309, 1391, 1547, 1819, 1837, 2171, 2431, 2839, 3745, 5005, 5845, 5885, 6545, 6955, 7735, 8239, 9095, 9185, 9737, 10855, 12155, 12733, 12859, 14195, 15197, 15301, 17017, 17869, 19873, 20009, 23647, 23881, 31229, 36907, 41195, 48685, 63665, 64295, 75985, 76505, 85085, 89345, 99365, 100045, 107107, 118235, 119405, 125083, 140063, 156145, 165529, 167167, 184535, 196559, 218603, 232297, 258349, 260117, 303773, 405977, 535535, 625415, 700315, 827645, 835835, 982795, 1093015, 1161485, 1291745, 1300585, 1375913, 1518865, 1626079, 1820819, 2029885, 2126411, 2555267, 2841839, 3341503, 3949049, 6879565, 8130395, 9104095, 10632055, 12776335, 14209195, 16707515, 17886869, 19745245, 23390521, 27643343, 43439539, 89434345, 116952605, 138216715, 217197695, 304076773, 1520383865]

約数ペア:

[(1, 1520383865), (5, 304076773), (7, 217197695), (11, 138216715), (13, 116952605), (17, 89434345), (35, 43439539), (55, 27643343), (65, 23390521), (77, 19745245), (85, 17886869), (91, 16707515), (107, 14209195), (119, 12776335), (143, 10632055), (167, 9104095), (187, 8130395), (221, 6879565), (385, 3949049), (455, 3341503), (535, 2841839), (595, 2555267), (715, 2126411), (749, 2029885), (835, 1820819), (935, 1626079), (1001, 1518865), (1105, 1375913), (1169, 1300585), (1177, 1291745), (1309, 1161485), (1391, 1093015), (1547, 982795), (1819, 835835), (1837, 827645), (2171, 700315), (2431, 625415), (2839, 535535), (3745, 405977), (5005, 303773), (5845, 260117), (5885, 258349), (6545, 232297), (6955, 218603), (7735, 196559), (8239, 184535), (9095, 167167), (9185, 165529), (9737, 156145), (10855, 140063), (12155, 125083), (12733, 119405), (12859, 118235), (14195, 107107), (15197, 100045), (15301, 99365), (17017, 89345), (17869, 85085), (19873, 76505), (20009, 75985), (23647, 64295), (23881, 63665), (31229, 48685), (36907, 41195)]