215188920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8663}}^1$

素因数の和:8706

約数の個数: 128

約数和(自身を含む): 748569600

約数和(自身を除く): 533380680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 8663, 12420, 17326, 24840, 25989, 34652, 43315, 51978, 69304, 77967, 86630, 103956, 129945, 155934, 173260, 199249, 207912, 233901, 259890, 311868, 346520, 389835, 398498, 467802, 519780, 597747, 623736, 779670, 796996, 935604, 996245, 1039560, 1169505, 1195494, 1559340, 1593992, 1793241, 1871208, 1992490, 2339010, 2390988, 2988735, 3118680, 3586482, 3984980, 4678020, 4781976, 5379723, 5977470, 7172964, 7969960, 8966205, 9356040, 10759446, 11954940, 14345928, 17932410, 21518892, 23909880, 26898615, 35864820, 43037784, 53797230, 71729640, 107594460, 215188920]

約数ペア:

[(1, 215188920), (2, 107594460), (3, 71729640), (4, 53797230), (5, 43037784), (6, 35864820), (8, 26898615), (9, 23909880), (10, 21518892), (12, 17932410), (15, 14345928), (18, 11954940), (20, 10759446), (23, 9356040), (24, 8966205), (27, 7969960), (30, 7172964), (36, 5977470), (40, 5379723), (45, 4781976), (46, 4678020), (54, 3984980), (60, 3586482), (69, 3118680), (72, 2988735), (90, 2390988), (92, 2339010), (108, 1992490), (115, 1871208), (120, 1793241), (135, 1593992), (138, 1559340), (180, 1195494), (184, 1169505), (207, 1039560), (216, 996245), (230, 935604), (270, 796996), (276, 779670), (345, 623736), (360, 597747), (414, 519780), (460, 467802), (540, 398498), (552, 389835), (621, 346520), (690, 311868), (828, 259890), (920, 233901), (1035, 207912), (1080, 199249), (1242, 173260), (1380, 155934), (1656, 129945), (2070, 103956), (2484, 86630), (2760, 77967), (3105, 69304), (4140, 51978), (4968, 43315), (6210, 34652), (8280, 25989), (8663, 24840), (12420, 17326)]