71284860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 226860480

約数和(自身を除く): 155575620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 557, 711, 790, 810, 948, 1114, 1185, 1422, 1580, 1620, 1671, 2133, 2228, 2370, 2785, 2844, 3342, 3555, 4266, 4740, 5013, 5570, 6399, 6684, 7110, 8355, 8532, 10026, 10665, 11140, 12798, 14220, 15039, 16710, 20052, 21330, 25065, 25596, 30078, 31995, 33420, 42660, 44003, 45117, 50130, 60156, 63990, 75195, 88006, 90234, 100260, 127980, 132009, 150390, 176012, 180468, 220015, 225585, 264018, 300780, 396027, 440030, 451170, 528036, 660045, 792054, 880060, 902340, 1188081, 1320090, 1584108, 1980135, 2376162, 2640180, 3564243, 3960270, 4752324, 5940405, 7128486, 7920540, 11880810, 14256972, 17821215, 23761620, 35642430, 71284860]

約数ペア:

[(1, 71284860), (2, 35642430), (3, 23761620), (4, 17821215), (5, 14256972), (6, 11880810), (9, 7920540), (10, 7128486), (12, 5940405), (15, 4752324), (18, 3960270), (20, 3564243), (27, 2640180), (30, 2376162), (36, 1980135), (45, 1584108), (54, 1320090), (60, 1188081), (79, 902340), (81, 880060), (90, 792054), (108, 660045), (135, 528036), (158, 451170), (162, 440030), (180, 396027), (237, 300780), (270, 264018), (316, 225585), (324, 220015), (395, 180468), (405, 176012), (474, 150390), (540, 132009), (557, 127980), (711, 100260), (790, 90234), (810, 88006), (948, 75195), (1114, 63990), (1185, 60156), (1422, 50130), (1580, 45117), (1620, 44003), (1671, 42660), (2133, 33420), (2228, 31995), (2370, 30078), (2785, 25596), (2844, 25065), (3342, 21330), (3555, 20052), (4266, 16710), (4740, 15039), (5013, 14220), (5570, 12798), (6399, 11140), (6684, 10665), (7110, 10026), (8355, 8532)]