81768400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 249091200

約数和(自身を除く): 167322800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 29, 35, 38, 40, 50, 53, 56, 58, 70, 76, 80, 95, 100, 106, 112, 116, 133, 140, 145, 152, 175, 190, 200, 203, 212, 232, 265, 266, 280, 290, 304, 350, 371, 380, 400, 406, 424, 464, 475, 530, 532, 551, 560, 580, 665, 700, 725, 742, 760, 812, 848, 950, 1007, 1015, 1060, 1064, 1102, 1160, 1325, 1330, 1400, 1450, 1484, 1520, 1537, 1624, 1855, 1900, 2014, 2030, 2120, 2128, 2204, 2320, 2650, 2660, 2755, 2800, 2900, 2968, 3074, 3248, 3325, 3710, 3800, 3857, 4028, 4060, 4240, 4408, 5035, 5075, 5300, 5320, 5510, 5800, 5936, 6148, 6650, 7049, 7420, 7600, 7685, 7714, 8056, 8120, 8816, 9275, 10070, 10150, 10600, 10640, 10759, 11020, 11600, 12296, 13300, 13775, 14098, 14840, 15370, 15428, 16112, 16240, 18550, 19285, 20140, 20300, 21200, 21518, 22040, 24592, 25175, 26600, 27550, 28196, 29203, 29680, 30740, 30856, 35245, 37100, 38425, 38570, 40280, 40600, 43036, 44080, 50350, 53200, 53795, 55100, 56392, 58406, 61480, 61712, 70490, 74200, 76850, 77140, 80560, 81200, 86072, 96425, 100700, 107590, 110200, 112784, 116812, 122960, 140980, 146015, 148400, 153700, 154280, 172144, 176225, 192850, 201400, 204421, 215180, 220400, 233624, 268975, 281960, 292030, 307400, 308560, 352450, 385700, 402800, 408842, 430360, 467248, 537950, 563920, 584060, 614800, 704900, 730075, 771400, 817684, 860720, 1022105, 1075900, 1168120, 1409800, 1460150, 1542800, 1635368, 2044210, 2151800, 2336240, 2819600, 2920300, 3270736, 4088420, 4303600, 5110525, 5840600, 8176840, 10221050, 11681200, 16353680, 20442100, 40884200, 81768400]

約数ペア:

[(1, 81768400), (2, 40884200), (4, 20442100), (5, 16353680), (7, 11681200), (8, 10221050), (10, 8176840), (14, 5840600), (16, 5110525), (19, 4303600), (20, 4088420), (25, 3270736), (28, 2920300), (29, 2819600), (35, 2336240), (38, 2151800), (40, 2044210), (50, 1635368), (53, 1542800), (56, 1460150), (58, 1409800), (70, 1168120), (76, 1075900), (80, 1022105), (95, 860720), (100, 817684), (106, 771400), (112, 730075), (116, 704900), (133, 614800), (140, 584060), (145, 563920), (152, 537950), (175, 467248), (190, 430360), (200, 408842), (203, 402800), (212, 385700), (232, 352450), (265, 308560), (266, 307400), (280, 292030), (290, 281960), (304, 268975), (350, 233624), (371, 220400), (380, 215180), (400, 204421), (406, 201400), (424, 192850), (464, 176225), (475, 172144), (530, 154280), (532, 153700), (551, 148400), (560, 146015), (580, 140980), (665, 122960), (700, 116812), (725, 112784), (742, 110200), (760, 107590), (812, 100700), (848, 96425), (950, 86072), (1007, 81200), (1015, 80560), (1060, 77140), (1064, 76850), (1102, 74200), (1160, 70490), (1325, 61712), (1330, 61480), (1400, 58406), (1450, 56392), (1484, 55100), (1520, 53795), (1537, 53200), (1624, 50350), (1855, 44080), (1900, 43036), (2014, 40600), (2030, 40280), (2120, 38570), (2128, 38425), (2204, 37100), (2320, 35245), (2650, 30856), (2660, 30740), (2755, 29680), (2800, 29203), (2900, 28196), (2968, 27550), (3074, 26600), (3248, 25175), (3325, 24592), (3710, 22040), (3800, 21518), (3857, 21200), (4028, 20300), (4060, 20140), (4240, 19285), (4408, 18550), (5035, 16240), (5075, 16112), (5300, 15428), (5320, 15370), (5510, 14840), (5800, 14098), (5936, 13775), (6148, 13300), (6650, 12296), (7049, 11600), (7420, 11020), (7600, 10759), (7685, 10640), (7714, 10600), (8056, 10150), (8120, 10070), (8816, 9275)]