1878789920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{88289}}^1$

素因数の和:88330

約数の個数: 96

約数和(自身を含む): 5339779200

約数和(自身を除く): 3460989280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 21280, 88289, 176578, 353156, 441445, 618023, 706312, 882890, 1236046, 1412624, 1677491, 1765780, 2472092, 2825248, 3090115, 3354982, 3531560, 4944184, 6180230, 6709964, 7063120, 8387455, 9888368, 11742437, 12360460, 13419928, 14126240, 16774910, 19776736, 23484874, 24720920, 26839856, 33549820, 46969748, 49441840, 53679712, 58712185, 67099640, 93939496, 98883680, 117424370, 134199280, 187878992, 234848740, 268398560, 375757984, 469697480, 939394960, 1878789920]

約数ペア:

[(1, 1878789920), (2, 939394960), (4, 469697480), (5, 375757984), (7, 268398560), (8, 234848740), (10, 187878992), (14, 134199280), (16, 117424370), (19, 98883680), (20, 93939496), (28, 67099640), (32, 58712185), (35, 53679712), (38, 49441840), (40, 46969748), (56, 33549820), (70, 26839856), (76, 24720920), (80, 23484874), (95, 19776736), (112, 16774910), (133, 14126240), (140, 13419928), (152, 12360460), (160, 11742437), (190, 9888368), (224, 8387455), (266, 7063120), (280, 6709964), (304, 6180230), (380, 4944184), (532, 3531560), (560, 3354982), (608, 3090115), (665, 2825248), (760, 2472092), (1064, 1765780), (1120, 1677491), (1330, 1412624), (1520, 1236046), (2128, 882890), (2660, 706312), (3040, 618023), (4256, 441445), (5320, 353156), (10640, 176578), (21280, 88289)]