305805840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^2$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 967616640

約数和(自身を除く): 661810800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 127, 158, 237, 240, 254, 316, 381, 395, 474, 508, 632, 635, 762, 790, 948, 1016, 1185, 1264, 1270, 1524, 1580, 1896, 1905, 2032, 2370, 2540, 3048, 3160, 3792, 3810, 4740, 5080, 6096, 6320, 7620, 9480, 10033, 10160, 15240, 16129, 18960, 20066, 30099, 30480, 32258, 40132, 48387, 50165, 60198, 64516, 80264, 80645, 96774, 100330, 120396, 129032, 150495, 160528, 161290, 193548, 200660, 240792, 241935, 258064, 300990, 322580, 387096, 401320, 481584, 483870, 601980, 645160, 774192, 802640, 967740, 1203960, 1274191, 1290320, 1935480, 2407920, 2548382, 3822573, 3870960, 5096764, 6370955, 7645146, 10193528, 12741910, 15290292, 19112865, 20387056, 25483820, 30580584, 38225730, 50967640, 61161168, 76451460, 101935280, 152902920, 305805840]

約数ペア:

[(1, 305805840), (2, 152902920), (3, 101935280), (4, 76451460), (5, 61161168), (6, 50967640), (8, 38225730), (10, 30580584), (12, 25483820), (15, 20387056), (16, 19112865), (20, 15290292), (24, 12741910), (30, 10193528), (40, 7645146), (48, 6370955), (60, 5096764), (79, 3870960), (80, 3822573), (120, 2548382), (127, 2407920), (158, 1935480), (237, 1290320), (240, 1274191), (254, 1203960), (316, 967740), (381, 802640), (395, 774192), (474, 645160), (508, 601980), (632, 483870), (635, 481584), (762, 401320), (790, 387096), (948, 322580), (1016, 300990), (1185, 258064), (1264, 241935), (1270, 240792), (1524, 200660), (1580, 193548), (1896, 161290), (1905, 160528), (2032, 150495), (2370, 129032), (2540, 120396), (3048, 100330), (3160, 96774), (3792, 80645), (3810, 80264), (4740, 64516), (5080, 60198), (6096, 50165), (6320, 48387), (7620, 40132), (9480, 32258), (10033, 30480), (10160, 30099), (15240, 20066), (16129, 18960)]