638991966420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1493}}^1\times {\mathrm{3307}}^1$

素因数の和:5534

約数の個数: 144

約数和(自身を含む): 1942858794240

約数和(自身を除く): 1303866827820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 1493, 2157, 2876, 2986, 3307, 3595, 4314, 4479, 5972, 6471, 6614, 7190, 7465, 8628, 8958, 9921, 10785, 12942, 13228, 13437, 14380, 14930, 16535, 17916, 19842, 21570, 22395, 25884, 26874, 29763, 29860, 32355, 33070, 39684, 43140, 44790, 49605, 53748, 59526, 64710, 66140, 67185, 89580, 99210, 119052, 129420, 134370, 148815, 198420, 268740, 297630, 595260, 1073467, 2146934, 2377733, 3220401, 4293868, 4755466, 4937351, 5367335, 6440802, 7133199, 9510932, 9661203, 9874702, 10734670, 11888665, 12881604, 14266398, 14812053, 16102005, 19322406, 19749404, 21399597, 21469340, 23777330, 24686755, 28532796, 29624106, 32204010, 35665995, 38644812, 42799194, 44436159, 47554660, 48306015, 49373510, 59248212, 64408020, 71331990, 74060265, 85598388, 88872318, 96612030, 98747020, 106997985, 142663980, 148120530, 177744636, 193224060, 213995970, 222180795, 296241060, 427991940, 444361590, 888723180, 3549955369, 7099910738, 10649866107, 14199821476, 17749776845, 21299732214, 31949598321, 35499553690, 42599464428, 53249330535, 63899196642, 70999107380, 106498661070, 127798393284, 159747991605, 212997322140, 319495983210, 638991966420]

約数ペア:

[(1, 638991966420), (2, 319495983210), (3, 212997322140), (4, 159747991605), (5, 127798393284), (6, 106498661070), (9, 70999107380), (10, 63899196642), (12, 53249330535), (15, 42599464428), (18, 35499553690), (20, 31949598321), (30, 21299732214), (36, 17749776845), (45, 14199821476), (60, 10649866107), (90, 7099910738), (180, 3549955369), (719, 888723180), (1438, 444361590), (1493, 427991940), (2157, 296241060), (2876, 222180795), (2986, 213995970), (3307, 193224060), (3595, 177744636), (4314, 148120530), (4479, 142663980), (5972, 106997985), (6471, 98747020), (6614, 96612030), (7190, 88872318), (7465, 85598388), (8628, 74060265), (8958, 71331990), (9921, 64408020), (10785, 59248212), (12942, 49373510), (13228, 48306015), (13437, 47554660), (14380, 44436159), (14930, 42799194), (16535, 38644812), (17916, 35665995), (19842, 32204010), (21570, 29624106), (22395, 28532796), (25884, 24686755), (26874, 23777330), (29763, 21469340), (29860, 21399597), (32355, 19749404), (33070, 19322406), (39684, 16102005), (43140, 14812053), (44790, 14266398), (49605, 12881604), (53748, 11888665), (59526, 10734670), (64710, 9874702), (66140, 9661203), (67185, 9510932), (89580, 7133199), (99210, 6440802), (119052, 5367335), (129420, 4937351), (134370, 4755466), (148815, 4293868), (198420, 3220401), (268740, 2377733), (297630, 2146934), (595260, 1073467)]