64960560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{12889}}^1$

素因数の和:12915

約数の個数: 120

約数和(自身を含む): 249344160

約数和(自身を除く): 184383600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 12889, 25778, 38667, 51556, 64445, 77334, 90223, 103112, 116001, 128890, 154668, 180446, 193335, 206224, 232002, 257780, 270669, 309336, 360892, 386670, 451115, 464004, 515560, 541338, 580005, 618672, 721784, 773340, 812007, 902230, 928008, 1031120, 1082676, 1160010, 1353345, 1443568, 1546680, 1624014, 1804460, 1856016, 2165352, 2320020, 2706690, 3093360, 3248028, 3608920, 4060035, 4330704, 4640040, 5413380, 6496056, 7217840, 8120070, 9280080, 10826760, 12992112, 16240140, 21653520, 32480280, 64960560]

約数ペア:

[(1, 64960560), (2, 32480280), (3, 21653520), (4, 16240140), (5, 12992112), (6, 10826760), (7, 9280080), (8, 8120070), (9, 7217840), (10, 6496056), (12, 5413380), (14, 4640040), (15, 4330704), (16, 4060035), (18, 3608920), (20, 3248028), (21, 3093360), (24, 2706690), (28, 2320020), (30, 2165352), (35, 1856016), (36, 1804460), (40, 1624014), (42, 1546680), (45, 1443568), (48, 1353345), (56, 1160010), (60, 1082676), (63, 1031120), (70, 928008), (72, 902230), (80, 812007), (84, 773340), (90, 721784), (105, 618672), (112, 580005), (120, 541338), (126, 515560), (140, 464004), (144, 451115), (168, 386670), (180, 360892), (210, 309336), (240, 270669), (252, 257780), (280, 232002), (315, 206224), (336, 193335), (360, 180446), (420, 154668), (504, 128890), (560, 116001), (630, 103112), (720, 90223), (840, 77334), (1008, 64445), (1260, 51556), (1680, 38667), (2520, 25778), (5040, 12889)]