320215968

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 144

約数和(自身を含む): 967730400

約数和(自身を除く): 647514432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 139, 144, 152, 171, 228, 278, 288, 304, 342, 417, 421, 456, 556, 608, 684, 834, 842, 912, 1112, 1251, 1263, 1368, 1668, 1684, 1824, 2224, 2502, 2526, 2641, 2736, 3336, 3368, 3789, 4448, 5004, 5052, 5282, 5472, 6672, 6736, 7578, 7923, 7999, 10008, 10104, 10564, 13344, 13472, 15156, 15846, 15998, 20016, 20208, 21128, 23769, 23997, 30312, 31692, 31996, 40032, 40416, 42256, 47538, 47994, 58519, 60624, 63384, 63992, 71991, 84512, 95076, 95988, 117038, 121248, 126768, 127984, 143982, 175557, 190152, 191976, 234076, 253536, 255968, 287964, 351114, 380304, 383952, 468152, 526671, 575928, 702228, 760608, 767904, 936304, 1053342, 1111861, 1151856, 1404456, 1872608, 2106684, 2223722, 2303712, 2808912, 3335583, 4213368, 4447444, 5617824, 6671166, 8426736, 8894888, 10006749, 13342332, 16853472, 17789776, 20013498, 26684664, 35579552, 40026996, 53369328, 80053992, 106738656, 160107984, 320215968]

約数ペア:

[(1, 320215968), (2, 160107984), (3, 106738656), (4, 80053992), (6, 53369328), (8, 40026996), (9, 35579552), (12, 26684664), (16, 20013498), (18, 17789776), (19, 16853472), (24, 13342332), (32, 10006749), (36, 8894888), (38, 8426736), (48, 6671166), (57, 5617824), (72, 4447444), (76, 4213368), (96, 3335583), (114, 2808912), (139, 2303712), (144, 2223722), (152, 2106684), (171, 1872608), (228, 1404456), (278, 1151856), (288, 1111861), (304, 1053342), (342, 936304), (417, 767904), (421, 760608), (456, 702228), (556, 575928), (608, 526671), (684, 468152), (834, 383952), (842, 380304), (912, 351114), (1112, 287964), (1251, 255968), (1263, 253536), (1368, 234076), (1668, 191976), (1684, 190152), (1824, 175557), (2224, 143982), (2502, 127984), (2526, 126768), (2641, 121248), (2736, 117038), (3336, 95988), (3368, 95076), (3789, 84512), (4448, 71991), (5004, 63992), (5052, 63384), (5282, 60624), (5472, 58519), (6672, 47994), (6736, 47538), (7578, 42256), (7923, 40416), (7999, 40032), (10008, 31996), (10104, 31692), (10564, 30312), (13344, 23997), (13472, 23769), (15156, 21128), (15846, 20208), (15998, 20016)]