218496780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 700539840

約数和(自身を除く): 482043060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 89, 90, 92, 115, 138, 178, 180, 207, 230, 267, 276, 345, 356, 414, 445, 460, 534, 593, 690, 801, 828, 890, 1035, 1068, 1186, 1335, 1380, 1602, 1779, 1780, 2047, 2070, 2372, 2670, 2965, 3204, 3558, 4005, 4094, 4140, 5337, 5340, 5930, 6141, 7116, 8010, 8188, 8895, 10235, 10674, 11860, 12282, 13639, 16020, 17790, 18423, 20470, 21348, 24564, 26685, 27278, 30705, 35580, 36846, 40917, 40940, 52777, 53370, 54556, 61410, 68195, 73692, 81834, 92115, 105554, 106740, 122751, 122820, 136390, 158331, 163668, 184230, 204585, 211108, 245502, 263885, 272780, 316662, 368460, 409170, 474993, 491004, 527770, 613755, 633324, 791655, 818340, 949986, 1055540, 1213871, 1227510, 1583310, 1899972, 2374965, 2427742, 2455020, 3166620, 3641613, 4749930, 4855484, 6069355, 7283226, 9499860, 10924839, 12138710, 14566452, 18208065, 21849678, 24277420, 36416130, 43699356, 54624195, 72832260, 109248390, 218496780]

約数ペア:

[(1, 218496780), (2, 109248390), (3, 72832260), (4, 54624195), (5, 43699356), (6, 36416130), (9, 24277420), (10, 21849678), (12, 18208065), (15, 14566452), (18, 12138710), (20, 10924839), (23, 9499860), (30, 7283226), (36, 6069355), (45, 4855484), (46, 4749930), (60, 3641613), (69, 3166620), (89, 2455020), (90, 2427742), (92, 2374965), (115, 1899972), (138, 1583310), (178, 1227510), (180, 1213871), (207, 1055540), (230, 949986), (267, 818340), (276, 791655), (345, 633324), (356, 613755), (414, 527770), (445, 491004), (460, 474993), (534, 409170), (593, 368460), (690, 316662), (801, 272780), (828, 263885), (890, 245502), (1035, 211108), (1068, 204585), (1186, 184230), (1335, 163668), (1380, 158331), (1602, 136390), (1779, 122820), (1780, 122751), (2047, 106740), (2070, 105554), (2372, 92115), (2670, 81834), (2965, 73692), (3204, 68195), (3558, 61410), (4005, 54556), (4094, 53370), (4140, 52777), (5337, 40940), (5340, 40917), (5930, 36846), (6141, 35580), (7116, 30705), (8010, 27278), (8188, 26685), (8895, 24564), (10235, 21348), (10674, 20470), (11860, 18423), (12282, 17790), (13639, 16020)]