79881360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25603}}^1$

素因数の和:25632

約数の個数: 80

約数和(自身を含む): 266691264

約数和(自身を除く): 186809904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25603, 51206, 76809, 102412, 128015, 153618, 204824, 256030, 307236, 332839, 384045, 409648, 512060, 614472, 665678, 768090, 998517, 1024120, 1228944, 1331356, 1536180, 1664195, 1997034, 2048240, 2662712, 3072360, 3328390, 3994068, 4992585, 5325424, 6144720, 6656780, 7988136, 9985170, 13313560, 15976272, 19970340, 26627120, 39940680, 79881360]

約数ペア:

[(1, 79881360), (2, 39940680), (3, 26627120), (4, 19970340), (5, 15976272), (6, 13313560), (8, 9985170), (10, 7988136), (12, 6656780), (13, 6144720), (15, 5325424), (16, 4992585), (20, 3994068), (24, 3328390), (26, 3072360), (30, 2662712), (39, 2048240), (40, 1997034), (48, 1664195), (52, 1536180), (60, 1331356), (65, 1228944), (78, 1024120), (80, 998517), (104, 768090), (120, 665678), (130, 614472), (156, 512060), (195, 409648), (208, 384045), (240, 332839), (260, 307236), (312, 256030), (390, 204824), (520, 153618), (624, 128015), (780, 102412), (1040, 76809), (1560, 51206), (3120, 25603)]