2787680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 7983360

約数和(自身を除く): 5195680

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, 131, 133, 140, 152, 160, 190, 224, 262, 266, 280, 304, 380, 524, 532, 560, 608, 655, 665, 760, 917, 1048, 1064, 1120, 1310, 1330, 1520, 1834, 2096, 2128, 2489, 2620, 2660, 3040, 3668, 4192, 4256, 4585, 4978, 5240, 5320, 7336, 9170, 9956, 10480, 10640, 12445, 14672, 17423, 18340, 19912, 20960, 21280, 24890, 29344, 34846, 36680, 39824, 49780, 69692, 73360, 79648, 87115, 99560, 139384, 146720, 174230, 199120, 278768, 348460, 398240, 557536, 696920, 1393840, 2787680]

約数ペア:

[(1, 2787680), (2, 1393840), (4, 696920), (5, 557536), (7, 398240), (8, 348460), (10, 278768), (14, 199120), (16, 174230), (19, 146720), (20, 139384), (28, 99560), (32, 87115), (35, 79648), (38, 73360), (40, 69692), (56, 49780), (70, 39824), (76, 36680), (80, 34846), (95, 29344), (112, 24890), (131, 21280), (133, 20960), (140, 19912), (152, 18340), (160, 17423), (190, 14672), (224, 12445), (262, 10640), (266, 10480), (280, 9956), (304, 9170), (380, 7336), (524, 5320), (532, 5240), (560, 4978), (608, 4585), (655, 4256), (665, 4192), (760, 3668), (917, 3040), (1048, 2660), (1064, 2620), (1120, 2489), (1310, 2128), (1330, 2096), (1520, 1834)]