213854580

素因数分解:

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

素因数の和:660

約数の個数: 144

約数和(自身を含む): 682456320

約数和(自身を除く): 468601740

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, 243, 270, 316, 324, 395, 405, 474, 486, 540, 557, 711, 790, 810, 948, 972, 1114, 1185, 1215, 1422, 1580, 1620, 1671, 2133, 2228, 2370, 2430, 2785, 2844, 3342, 3555, 4266, 4740, 4860, 5013, 5570, 6399, 6684, 7110, 8355, 8532, 10026, 10665, 11140, 12798, 14220, 15039, 16710, 19197, 20052, 21330, 25065, 25596, 30078, 31995, 33420, 38394, 42660, 44003, 45117, 50130, 60156, 63990, 75195, 76788, 88006, 90234, 95985, 100260, 127980, 132009, 135351, 150390, 176012, 180468, 191970, 220015, 225585, 264018, 270702, 300780, 383940, 396027, 440030, 451170, 528036, 541404, 660045, 676755, 792054, 880060, 902340, 1188081, 1320090, 1353510, 1584108, 1980135, 2376162, 2640180, 2707020, 3564243, 3960270, 4752324, 5940405, 7128486, 7920540, 10692729, 11880810, 14256972, 17821215, 21385458, 23761620, 35642430, 42770916, 53463645, 71284860, 106927290, 213854580]

約数ペア:

[(1, 213854580), (2, 106927290), (3, 71284860), (4, 53463645), (5, 42770916), (6, 35642430), (9, 23761620), (10, 21385458), (12, 17821215), (15, 14256972), (18, 11880810), (20, 10692729), (27, 7920540), (30, 7128486), (36, 5940405), (45, 4752324), (54, 3960270), (60, 3564243), (79, 2707020), (81, 2640180), (90, 2376162), (108, 1980135), (135, 1584108), (158, 1353510), (162, 1320090), (180, 1188081), (237, 902340), (243, 880060), (270, 792054), (316, 676755), (324, 660045), (395, 541404), (405, 528036), (474, 451170), (486, 440030), (540, 396027), (557, 383940), (711, 300780), (790, 270702), (810, 264018), (948, 225585), (972, 220015), (1114, 191970), (1185, 180468), (1215, 176012), (1422, 150390), (1580, 135351), (1620, 132009), (1671, 127980), (2133, 100260), (2228, 95985), (2370, 90234), (2430, 88006), (2785, 76788), (2844, 75195), (3342, 63990), (3555, 60156), (4266, 50130), (4740, 45117), (4860, 44003), (5013, 42660), (5570, 38394), (6399, 33420), (6684, 31995), (7110, 30078), (8355, 25596), (8532, 25065), (10026, 21330), (10665, 20052), (11140, 19197), (12798, 16710), (14220, 15039)]