206876280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^2$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 678761640

約数和(自身を除く): 471885360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 169, 195, 202, 260, 303, 312, 338, 390, 404, 505, 507, 520, 606, 676, 780, 808, 845, 1010, 1014, 1212, 1313, 1352, 1515, 1560, 1690, 2020, 2028, 2424, 2535, 2626, 3030, 3380, 3939, 4040, 4056, 5070, 5252, 6060, 6565, 6760, 7878, 10140, 10201, 10504, 12120, 13130, 15756, 17069, 19695, 20280, 20402, 26260, 30603, 31512, 34138, 39390, 40804, 51005, 51207, 52520, 61206, 68276, 78780, 81608, 85345, 102010, 102414, 122412, 132613, 136552, 153015, 157560, 170690, 204020, 204828, 244824, 256035, 265226, 306030, 341380, 397839, 408040, 409656, 512070, 530452, 612060, 663065, 682760, 795678, 1024140, 1060904, 1224120, 1326130, 1591356, 1723969, 1989195, 2048280, 2652260, 3182712, 3447938, 3978390, 5171907, 5304520, 6895876, 7956780, 8619845, 10343814, 13791752, 15913560, 17239690, 20687628, 25859535, 34479380, 41375256, 51719070, 68958760, 103438140, 206876280]

約数ペア:

[(1, 206876280), (2, 103438140), (3, 68958760), (4, 51719070), (5, 41375256), (6, 34479380), (8, 25859535), (10, 20687628), (12, 17239690), (13, 15913560), (15, 13791752), (20, 10343814), (24, 8619845), (26, 7956780), (30, 6895876), (39, 5304520), (40, 5171907), (52, 3978390), (60, 3447938), (65, 3182712), (78, 2652260), (101, 2048280), (104, 1989195), (120, 1723969), (130, 1591356), (156, 1326130), (169, 1224120), (195, 1060904), (202, 1024140), (260, 795678), (303, 682760), (312, 663065), (338, 612060), (390, 530452), (404, 512070), (505, 409656), (507, 408040), (520, 397839), (606, 341380), (676, 306030), (780, 265226), (808, 256035), (845, 244824), (1010, 204828), (1014, 204020), (1212, 170690), (1313, 157560), (1352, 153015), (1515, 136552), (1560, 132613), (1690, 122412), (2020, 102414), (2028, 102010), (2424, 85345), (2535, 81608), (2626, 78780), (3030, 68276), (3380, 61206), (3939, 52520), (4040, 51207), (4056, 51005), (5070, 40804), (5252, 39390), (6060, 34138), (6565, 31512), (6760, 30603), (7878, 26260), (10140, 20402), (10201, 20280), (10504, 19695), (12120, 17069), (13130, 15756)]