420017640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 256

約数和(自身を含む): 1551052800

約数和(自身を除く): 1131035160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 67, 68, 70, 84, 85, 102, 105, 119, 120, 134, 136, 140, 168, 170, 201, 204, 210, 238, 255, 268, 280, 335, 340, 357, 402, 408, 420, 439, 469, 476, 510, 536, 595, 670, 680, 714, 804, 840, 878, 938, 952, 1005, 1020, 1139, 1190, 1317, 1340, 1407, 1428, 1608, 1756, 1785, 1876, 2010, 2040, 2195, 2278, 2345, 2380, 2634, 2680, 2814, 2856, 3073, 3417, 3512, 3570, 3752, 4020, 4390, 4556, 4690, 4760, 5268, 5628, 5695, 6146, 6585, 6834, 7035, 7140, 7463, 7973, 8040, 8780, 9112, 9219, 9380, 10536, 11256, 11390, 12292, 13170, 13668, 14070, 14280, 14926, 15365, 15946, 17085, 17560, 18438, 18760, 22389, 22780, 23919, 24584, 26340, 27336, 28140, 29413, 29852, 30730, 31892, 34170, 36876, 37315, 39865, 44778, 45560, 46095, 47838, 52241, 52680, 56280, 58826, 59704, 61460, 63784, 68340, 73752, 74630, 79730, 88239, 89556, 92190, 95676, 104482, 111945, 117652, 119595, 122920, 136680, 147065, 149260, 156723, 159460, 176478, 179112, 184380, 191352, 205891, 208964, 223890, 235304, 239190, 261205, 294130, 298520, 313446, 318920, 352956, 368760, 411782, 417928, 441195, 447780, 478380, 500021, 522410, 588260, 617673, 626892, 705912, 783615, 823564, 882390, 895560, 956760, 1000042, 1029455, 1044820, 1176520, 1235346, 1253784, 1500063, 1567230, 1647128, 1764780, 2000084, 2058910, 2089640, 2470692, 2500105, 3000126, 3088365, 3134460, 3500147, 3529560, 4000168, 4117820, 4941384, 5000210, 6000252, 6176730, 6268920, 7000294, 7500315, 8235640, 10000420, 10500441, 12000504, 12353460, 14000588, 15000630, 17500735, 20000840, 21000882, 24706920, 28001176, 30001260, 35001470, 42001764, 52502205, 60002520, 70002940, 84003528, 105004410, 140005880, 210008820, 420017640]

約数ペア:

[(1, 420017640), (2, 210008820), (3, 140005880), (4, 105004410), (5, 84003528), (6, 70002940), (7, 60002520), (8, 52502205), (10, 42001764), (12, 35001470), (14, 30001260), (15, 28001176), (17, 24706920), (20, 21000882), (21, 20000840), (24, 17500735), (28, 15000630), (30, 14000588), (34, 12353460), (35, 12000504), (40, 10500441), (42, 10000420), (51, 8235640), (56, 7500315), (60, 7000294), (67, 6268920), (68, 6176730), (70, 6000252), (84, 5000210), (85, 4941384), (102, 4117820), (105, 4000168), (119, 3529560), (120, 3500147), (134, 3134460), (136, 3088365), (140, 3000126), (168, 2500105), (170, 2470692), (201, 2089640), (204, 2058910), (210, 2000084), (238, 1764780), (255, 1647128), (268, 1567230), (280, 1500063), (335, 1253784), (340, 1235346), (357, 1176520), (402, 1044820), (408, 1029455), (420, 1000042), (439, 956760), (469, 895560), (476, 882390), (510, 823564), (536, 783615), (595, 705912), (670, 626892), (680, 617673), (714, 588260), (804, 522410), (840, 500021), (878, 478380), (938, 447780), (952, 441195), (1005, 417928), (1020, 411782), (1139, 368760), (1190, 352956), (1317, 318920), (1340, 313446), (1407, 298520), (1428, 294130), (1608, 261205), (1756, 239190), (1785, 235304), (1876, 223890), (2010, 208964), (2040, 205891), (2195, 191352), (2278, 184380), (2345, 179112), (2380, 176478), (2634, 159460), (2680, 156723), (2814, 149260), (2856, 147065), (3073, 136680), (3417, 122920), (3512, 119595), (3570, 117652), (3752, 111945), (4020, 104482), (4390, 95676), (4556, 92190), (4690, 89556), (4760, 88239), (5268, 79730), (5628, 74630), (5695, 73752), (6146, 68340), (6585, 63784), (6834, 61460), (7035, 59704), (7140, 58826), (7463, 56280), (7973, 52680), (8040, 52241), (8780, 47838), (9112, 46095), (9219, 45560), (9380, 44778), (10536, 39865), (11256, 37315), (11390, 36876), (12292, 34170), (13170, 31892), (13668, 30730), (14070, 29852), (14280, 29413), (14926, 28140), (15365, 27336), (15946, 26340), (17085, 24584), (17560, 23919), (18438, 22780), (18760, 22389)]