218776920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2625

約数の個数: 128

約数和(自身を含む): 707235840

約数和(自身を除く): 488458920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2557, 2760, 2852, 3565, 3720, 4278, 5114, 5704, 7130, 7671, 8556, 10228, 10695, 12785, 14260, 15342, 17112, 20456, 21390, 25570, 28520, 30684, 38355, 42780, 51140, 58811, 61368, 76710, 79267, 85560, 102280, 117622, 153420, 158534, 176433, 235244, 237801, 294055, 306840, 317068, 352866, 396335, 470488, 475602, 588110, 634136, 705732, 792670, 882165, 951204, 1176220, 1189005, 1411464, 1585340, 1764330, 1823141, 1902408, 2352440, 2378010, 3170680, 3528660, 3646282, 4756020, 5469423, 7057320, 7292564, 9115705, 9512040, 10938846, 14585128, 18231410, 21877692, 27347115, 36462820, 43755384, 54694230, 72925640, 109388460, 218776920]

約数ペア:

[(1, 218776920), (2, 109388460), (3, 72925640), (4, 54694230), (5, 43755384), (6, 36462820), (8, 27347115), (10, 21877692), (12, 18231410), (15, 14585128), (20, 10938846), (23, 9512040), (24, 9115705), (30, 7292564), (31, 7057320), (40, 5469423), (46, 4756020), (60, 3646282), (62, 3528660), (69, 3170680), (92, 2378010), (93, 2352440), (115, 1902408), (120, 1823141), (124, 1764330), (138, 1585340), (155, 1411464), (184, 1189005), (186, 1176220), (230, 951204), (248, 882165), (276, 792670), (310, 705732), (345, 634136), (372, 588110), (460, 475602), (465, 470488), (552, 396335), (620, 352866), (690, 317068), (713, 306840), (744, 294055), (920, 237801), (930, 235244), (1240, 176433), (1380, 158534), (1426, 153420), (1860, 117622), (2139, 102280), (2557, 85560), (2760, 79267), (2852, 76710), (3565, 61368), (3720, 58811), (4278, 51140), (5114, 42780), (5704, 38355), (7130, 30684), (7671, 28520), (8556, 25570), (10228, 21390), (10695, 20456), (12785, 17112), (14260, 15342)]