154353640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 417623040

約数和(自身を除く): 263269400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 140, 148, 185, 188, 235, 259, 280, 296, 317, 329, 370, 376, 470, 518, 634, 658, 740, 940, 1036, 1268, 1295, 1316, 1480, 1585, 1645, 1739, 1880, 2072, 2219, 2536, 2590, 2632, 3170, 3290, 3478, 4438, 5180, 6340, 6580, 6956, 8695, 8876, 10360, 11095, 11729, 12173, 12680, 13160, 13912, 14899, 17390, 17752, 22190, 23458, 24346, 29798, 34780, 44380, 46916, 48692, 58645, 59596, 60865, 69560, 74495, 82103, 88760, 93832, 97384, 104293, 117290, 119192, 121730, 148990, 164206, 208586, 234580, 243460, 297980, 328412, 410515, 417172, 469160, 486920, 521465, 551263, 595960, 656824, 821030, 834344, 1042930, 1102526, 1642060, 2085860, 2205052, 2756315, 3284120, 3858841, 4171720, 4410104, 5512630, 7717682, 11025260, 15435364, 19294205, 22050520, 30870728, 38588410, 77176820, 154353640]

約数ペア:

[(1, 154353640), (2, 77176820), (4, 38588410), (5, 30870728), (7, 22050520), (8, 19294205), (10, 15435364), (14, 11025260), (20, 7717682), (28, 5512630), (35, 4410104), (37, 4171720), (40, 3858841), (47, 3284120), (56, 2756315), (70, 2205052), (74, 2085860), (94, 1642060), (140, 1102526), (148, 1042930), (185, 834344), (188, 821030), (235, 656824), (259, 595960), (280, 551263), (296, 521465), (317, 486920), (329, 469160), (370, 417172), (376, 410515), (470, 328412), (518, 297980), (634, 243460), (658, 234580), (740, 208586), (940, 164206), (1036, 148990), (1268, 121730), (1295, 119192), (1316, 117290), (1480, 104293), (1585, 97384), (1645, 93832), (1739, 88760), (1880, 82103), (2072, 74495), (2219, 69560), (2536, 60865), (2590, 59596), (2632, 58645), (3170, 48692), (3290, 46916), (3478, 44380), (4438, 34780), (5180, 29798), (6340, 24346), (6580, 23458), (6956, 22190), (8695, 17752), (8876, 17390), (10360, 14899), (11095, 13912), (11729, 13160), (12173, 12680)]