2020697775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 4055740416

約数和(自身を除く): 2035042641

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 103, 115, 153, 207, 223, 225, 255, 309, 345, 391, 425, 515, 575, 669, 765, 927, 1035, 1115, 1173, 1275, 1545, 1725, 1751, 1955, 2007, 2369, 2575, 3345, 3519, 3791, 3825, 4635, 5129, 5175, 5253, 5575, 5865, 7107, 7725, 8755, 9775, 10035, 11373, 11845, 15387, 15759, 16725, 17595, 18955, 21321, 22969, 23175, 25645, 26265, 29325, 34119, 35535, 40273, 43775, 46161, 50175, 56865, 59225, 68907, 76935, 78795, 87193, 87975, 94775, 106605, 114845, 120819, 128225, 131325, 170595, 177675, 201365, 206721, 230805, 261579, 284325, 344535, 362457, 384675, 390473, 393975, 435965, 528287, 533025, 574225, 604095, 784737, 852975, 1006825, 1033605, 1154025, 1171419, 1307895, 1584861, 1722675, 1812285, 1952365, 2179825, 2641435, 3020475, 3514257, 3923685, 4754583, 5168025, 5857095, 6539475, 7924305, 8980879, 9061425, 9761825, 13207175, 17571285, 19618425, 23772915, 26942637, 29285475, 39621525, 44904395, 80827911, 87856425, 118864575, 134713185, 224521975, 404139555, 673565925, 2020697775]

約数ペア:

[(1, 2020697775), (3, 673565925), (5, 404139555), (9, 224521975), (15, 134713185), (17, 118864575), (23, 87856425), (25, 80827911), (45, 44904395), (51, 39621525), (69, 29285475), (75, 26942637), (85, 23772915), (103, 19618425), (115, 17571285), (153, 13207175), (207, 9761825), (223, 9061425), (225, 8980879), (255, 7924305), (309, 6539475), (345, 5857095), (391, 5168025), (425, 4754583), (515, 3923685), (575, 3514257), (669, 3020475), (765, 2641435), (927, 2179825), (1035, 1952365), (1115, 1812285), (1173, 1722675), (1275, 1584861), (1545, 1307895), (1725, 1171419), (1751, 1154025), (1955, 1033605), (2007, 1006825), (2369, 852975), (2575, 784737), (3345, 604095), (3519, 574225), (3791, 533025), (3825, 528287), (4635, 435965), (5129, 393975), (5175, 390473), (5253, 384675), (5575, 362457), (5865, 344535), (7107, 284325), (7725, 261579), (8755, 230805), (9775, 206721), (10035, 201365), (11373, 177675), (11845, 170595), (15387, 131325), (15759, 128225), (16725, 120819), (17595, 114845), (18955, 106605), (21321, 94775), (22969, 87975), (23175, 87193), (25645, 78795), (26265, 76935), (29325, 68907), (34119, 59225), (35535, 56865), (40273, 50175), (43775, 46161)]