28141680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2393}}^1$

素因数の和:2423

約数の個数: 120

約数和(自身を含む): 101524752

約数和(自身を除く): 73383072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2393, 2940, 3920, 4786, 5880, 7179, 9572, 11760, 11965, 14358, 16751, 19144, 23930, 28716, 33502, 35895, 38288, 47860, 50253, 57432, 67004, 71790, 83755, 95720, 100506, 114864, 117257, 134008, 143580, 167510, 191440, 201012, 234514, 251265, 268016, 287160, 335020, 351771, 402024, 469028, 502530, 574320, 586285, 670040, 703542, 804048, 938056, 1005060, 1172570, 1340080, 1407084, 1758855, 1876112, 2010120, 2345140, 2814168, 3517710, 4020240, 4690280, 5628336, 7035420, 9380560, 14070840, 28141680]

約数ペア:

[(1, 28141680), (2, 14070840), (3, 9380560), (4, 7035420), (5, 5628336), (6, 4690280), (7, 4020240), (8, 3517710), (10, 2814168), (12, 2345140), (14, 2010120), (15, 1876112), (16, 1758855), (20, 1407084), (21, 1340080), (24, 1172570), (28, 1005060), (30, 938056), (35, 804048), (40, 703542), (42, 670040), (48, 586285), (49, 574320), (56, 502530), (60, 469028), (70, 402024), (80, 351771), (84, 335020), (98, 287160), (105, 268016), (112, 251265), (120, 234514), (140, 201012), (147, 191440), (168, 167510), (196, 143580), (210, 134008), (240, 117257), (245, 114864), (280, 100506), (294, 95720), (336, 83755), (392, 71790), (420, 67004), (490, 57432), (560, 50253), (588, 47860), (735, 38288), (784, 35895), (840, 33502), (980, 28716), (1176, 23930), (1470, 19144), (1680, 16751), (1960, 14358), (2352, 11965), (2393, 11760), (2940, 9572), (3920, 7179), (4786, 5880)]