1665503140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3954

約数の個数: 144

約数和(自身を含む): 4470076800

約数和(自身を除く): 2804573660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 115, 133, 140, 161, 190, 196, 230, 245, 266, 322, 380, 437, 460, 490, 532, 644, 665, 805, 874, 931, 980, 1127, 1330, 1610, 1748, 1862, 2185, 2254, 2660, 3059, 3220, 3724, 3889, 4370, 4508, 4655, 5635, 6118, 7778, 8740, 9310, 11270, 12236, 15295, 15556, 18620, 19445, 21413, 22540, 27223, 30590, 38890, 42826, 54446, 61180, 73891, 77780, 85652, 89447, 107065, 108892, 136115, 147782, 178894, 190561, 214130, 272230, 295564, 357788, 369455, 381122, 428260, 447235, 517237, 544460, 626129, 738910, 762244, 894470, 952805, 1034474, 1252258, 1477820, 1699493, 1788940, 1905610, 2068948, 2504516, 2586185, 3130645, 3398986, 3620659, 3811220, 4382903, 5172370, 6261290, 6797972, 7241318, 8497465, 8765806, 10344740, 11896451, 12522580, 14482636, 16994930, 17531612, 18103295, 21914515, 23792902, 33989860, 36206590, 43829030, 47585804, 59482255, 72413180, 83275157, 87658060, 118964510, 166550314, 237929020, 333100628, 416375785, 832751570, 1665503140]

約数ペア:

[(1, 1665503140), (2, 832751570), (4, 416375785), (5, 333100628), (7, 237929020), (10, 166550314), (14, 118964510), (19, 87658060), (20, 83275157), (23, 72413180), (28, 59482255), (35, 47585804), (38, 43829030), (46, 36206590), (49, 33989860), (70, 23792902), (76, 21914515), (92, 18103295), (95, 17531612), (98, 16994930), (115, 14482636), (133, 12522580), (140, 11896451), (161, 10344740), (190, 8765806), (196, 8497465), (230, 7241318), (245, 6797972), (266, 6261290), (322, 5172370), (380, 4382903), (437, 3811220), (460, 3620659), (490, 3398986), (532, 3130645), (644, 2586185), (665, 2504516), (805, 2068948), (874, 1905610), (931, 1788940), (980, 1699493), (1127, 1477820), (1330, 1252258), (1610, 1034474), (1748, 952805), (1862, 894470), (2185, 762244), (2254, 738910), (2660, 626129), (3059, 544460), (3220, 517237), (3724, 447235), (3889, 428260), (4370, 381122), (4508, 369455), (4655, 357788), (5635, 295564), (6118, 272230), (7778, 214130), (8740, 190561), (9310, 178894), (11270, 147782), (12236, 136115), (15295, 108892), (15556, 107065), (18620, 89447), (19445, 85652), (21413, 77780), (22540, 73891), (27223, 61180), (30590, 54446), (38890, 42826)]