649869920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30539}}^1$

素因数の和:30580

約数の個数: 96

約数和(自身を含む): 1847059200

約数和(自身を除く): 1197189280

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, 30539, 61078, 122156, 152695, 213773, 244312, 305390, 427546, 488624, 580241, 610780, 855092, 977248, 1068865, 1160482, 1221560, 1710184, 2137730, 2320964, 2443120, 2901205, 3420368, 4061687, 4275460, 4641928, 4886240, 5802410, 6840736, 8123374, 8550920, 9283856, 11604820, 16246748, 17101840, 18567712, 20308435, 23209640, 32493496, 34203680, 40616870, 46419280, 64986992, 81233740, 92838560, 129973984, 162467480, 324934960, 649869920]

約数ペア:

[(1, 649869920), (2, 324934960), (4, 162467480), (5, 129973984), (7, 92838560), (8, 81233740), (10, 64986992), (14, 46419280), (16, 40616870), (19, 34203680), (20, 32493496), (28, 23209640), (32, 20308435), (35, 18567712), (38, 17101840), (40, 16246748), (56, 11604820), (70, 9283856), (76, 8550920), (80, 8123374), (95, 6840736), (112, 5802410), (133, 4886240), (140, 4641928), (152, 4275460), (160, 4061687), (190, 3420368), (224, 2901205), (266, 2443120), (280, 2320964), (304, 2137730), (380, 1710184), (532, 1221560), (560, 1160482), (608, 1068865), (665, 977248), (760, 855092), (1064, 610780), (1120, 580241), (1330, 488624), (1520, 427546), (2128, 305390), (2660, 244312), (3040, 213773), (4256, 152695), (5320, 122156), (10640, 61078), (21280, 30539)]