645958560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7963}}^1$

素因数の和:8007

約数の個数: 144

約数和(自身を含む): 2203606944

約数和(自身を除く): 1557648384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3380, 4056, 5070, 5408, 6240, 6760, 7963, 8112, 10140, 13520, 15926, 16224, 20280, 23889, 27040, 31852, 39815, 40560, 47778, 63704, 79630, 81120, 95556, 103519, 119445, 127408, 159260, 191112, 207038, 238890, 254816, 310557, 318520, 382224, 414076, 477780, 517595, 621114, 637040, 764448, 828152, 955560, 1035190, 1242228, 1274080, 1345747, 1552785, 1656304, 1911120, 2070380, 2484456, 2691494, 3105570, 3312608, 3822240, 4037241, 4140760, 4968912, 5382988, 6211140, 6728735, 8074482, 8281520, 9937824, 10765976, 12422280, 13457470, 16148964, 16563040, 20186205, 21531952, 24844560, 26914940, 32297928, 40372410, 43063904, 49689120, 53829880, 64595856, 80744820, 107659760, 129191712, 161489640, 215319520, 322979280, 645958560]

約数ペア:

[(1, 645958560), (2, 322979280), (3, 215319520), (4, 161489640), (5, 129191712), (6, 107659760), (8, 80744820), (10, 64595856), (12, 53829880), (13, 49689120), (15, 43063904), (16, 40372410), (20, 32297928), (24, 26914940), (26, 24844560), (30, 21531952), (32, 20186205), (39, 16563040), (40, 16148964), (48, 13457470), (52, 12422280), (60, 10765976), (65, 9937824), (78, 8281520), (80, 8074482), (96, 6728735), (104, 6211140), (120, 5382988), (130, 4968912), (156, 4140760), (160, 4037241), (169, 3822240), (195, 3312608), (208, 3105570), (240, 2691494), (260, 2484456), (312, 2070380), (338, 1911120), (390, 1656304), (416, 1552785), (480, 1345747), (507, 1274080), (520, 1242228), (624, 1035190), (676, 955560), (780, 828152), (845, 764448), (1014, 637040), (1040, 621114), (1248, 517595), (1352, 477780), (1560, 414076), (1690, 382224), (2028, 318520), (2080, 310557), (2535, 254816), (2704, 238890), (3120, 207038), (3380, 191112), (4056, 159260), (5070, 127408), (5408, 119445), (6240, 103519), (6760, 95556), (7963, 81120), (8112, 79630), (10140, 63704), (13520, 47778), (15926, 40560), (16224, 39815), (20280, 31852), (23889, 27040)]