128507940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1650

約数の個数: 144

約数和(自身を含む): 435891456

約数和(自身を除く): 307383516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 110, 123, 132, 164, 165, 180, 198, 205, 220, 246, 330, 369, 396, 410, 451, 492, 495, 615, 660, 738, 820, 902, 990, 1230, 1353, 1476, 1583, 1804, 1845, 1980, 2255, 2460, 2706, 3166, 3690, 4059, 4510, 4749, 5412, 6332, 6765, 7380, 7915, 8118, 9020, 9498, 13530, 14247, 15830, 16236, 17413, 18996, 20295, 23745, 27060, 28494, 31660, 34826, 40590, 47490, 52239, 56988, 64903, 69652, 71235, 81180, 87065, 94980, 104478, 129806, 142470, 156717, 174130, 194709, 208956, 259612, 261195, 284940, 313434, 324515, 348260, 389418, 522390, 584127, 626868, 649030, 713933, 778836, 783585, 973545, 1044780, 1168254, 1298060, 1427866, 1567170, 1947090, 2141799, 2336508, 2855732, 2920635, 3134340, 3569665, 3894180, 4283598, 5841270, 6425397, 7139330, 8567196, 10708995, 11682540, 12850794, 14278660, 21417990, 25701588, 32126985, 42835980, 64253970, 128507940]

約数ペア:

[(1, 128507940), (2, 64253970), (3, 42835980), (4, 32126985), (5, 25701588), (6, 21417990), (9, 14278660), (10, 12850794), (11, 11682540), (12, 10708995), (15, 8567196), (18, 7139330), (20, 6425397), (22, 5841270), (30, 4283598), (33, 3894180), (36, 3569665), (41, 3134340), (44, 2920635), (45, 2855732), (55, 2336508), (60, 2141799), (66, 1947090), (82, 1567170), (90, 1427866), (99, 1298060), (110, 1168254), (123, 1044780), (132, 973545), (164, 783585), (165, 778836), (180, 713933), (198, 649030), (205, 626868), (220, 584127), (246, 522390), (330, 389418), (369, 348260), (396, 324515), (410, 313434), (451, 284940), (492, 261195), (495, 259612), (615, 208956), (660, 194709), (738, 174130), (820, 156717), (902, 142470), (990, 129806), (1230, 104478), (1353, 94980), (1476, 87065), (1583, 81180), (1804, 71235), (1845, 69652), (1980, 64903), (2255, 56988), (2460, 52239), (2706, 47490), (3166, 40590), (3690, 34826), (4059, 31660), (4510, 28494), (4749, 27060), (5412, 23745), (6332, 20295), (6765, 18996), (7380, 17413), (7915, 16236), (8118, 15830), (9020, 14247), (9498, 13530)]