201656240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 503856144

約数和(自身を除く): 302199904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 61, 62, 80, 86, 122, 124, 155, 172, 215, 244, 248, 305, 310, 344, 430, 488, 496, 610, 620, 688, 860, 961, 976, 1220, 1240, 1333, 1720, 1891, 1922, 2440, 2480, 2623, 2666, 3440, 3782, 3844, 4805, 4880, 5246, 5332, 6665, 7564, 7688, 9455, 9610, 10492, 10664, 13115, 13330, 15128, 15376, 18910, 19220, 20984, 21328, 26230, 26660, 30256, 37820, 38440, 41323, 41968, 52460, 53320, 58621, 75640, 76880, 81313, 82646, 104920, 106640, 117242, 151280, 162626, 165292, 206615, 209840, 234484, 293105, 325252, 330584, 406565, 413230, 468968, 586210, 650504, 661168, 813130, 826460, 937936, 1172420, 1301008, 1626260, 1652920, 2344840, 2520703, 3252520, 3305840, 4689680, 5041406, 6505040, 10082812, 12603515, 20165624, 25207030, 40331248, 50414060, 100828120, 201656240]

約数ペア:

[(1, 201656240), (2, 100828120), (4, 50414060), (5, 40331248), (8, 25207030), (10, 20165624), (16, 12603515), (20, 10082812), (31, 6505040), (40, 5041406), (43, 4689680), (61, 3305840), (62, 3252520), (80, 2520703), (86, 2344840), (122, 1652920), (124, 1626260), (155, 1301008), (172, 1172420), (215, 937936), (244, 826460), (248, 813130), (305, 661168), (310, 650504), (344, 586210), (430, 468968), (488, 413230), (496, 406565), (610, 330584), (620, 325252), (688, 293105), (860, 234484), (961, 209840), (976, 206615), (1220, 165292), (1240, 162626), (1333, 151280), (1720, 117242), (1891, 106640), (1922, 104920), (2440, 82646), (2480, 81313), (2623, 76880), (2666, 75640), (3440, 58621), (3782, 53320), (3844, 52460), (4805, 41968), (4880, 41323), (5246, 38440), (5332, 37820), (6665, 30256), (7564, 26660), (7688, 26230), (9455, 21328), (9610, 20984), (10492, 19220), (10664, 18910), (13115, 15376), (13330, 15128)]