403312480

素因数分解:

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

素因数の和:181

約数の個数: 144

約数和(自身を含む): 1023965712

約数和(自身を除く): 620653232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 61, 62, 80, 86, 122, 124, 155, 160, 172, 215, 244, 248, 305, 310, 344, 430, 488, 496, 610, 620, 688, 860, 961, 976, 992, 1220, 1240, 1333, 1376, 1720, 1891, 1922, 1952, 2440, 2480, 2623, 2666, 3440, 3782, 3844, 4805, 4880, 4960, 5246, 5332, 6665, 6880, 7564, 7688, 9455, 9610, 9760, 10492, 10664, 13115, 13330, 15128, 15376, 18910, 19220, 20984, 21328, 26230, 26660, 30256, 30752, 37820, 38440, 41323, 41968, 42656, 52460, 53320, 58621, 60512, 75640, 76880, 81313, 82646, 83936, 104920, 106640, 117242, 151280, 153760, 162626, 165292, 206615, 209840, 213280, 234484, 293105, 302560, 325252, 330584, 406565, 413230, 419680, 468968, 586210, 650504, 661168, 813130, 826460, 937936, 1172420, 1301008, 1322336, 1626260, 1652920, 1875872, 2344840, 2520703, 2602016, 3252520, 3305840, 4689680, 5041406, 6505040, 6611680, 9379360, 10082812, 12603515, 13010080, 20165624, 25207030, 40331248, 50414060, 80662496, 100828120, 201656240, 403312480]

約数ペア:

[(1, 403312480), (2, 201656240), (4, 100828120), (5, 80662496), (8, 50414060), (10, 40331248), (16, 25207030), (20, 20165624), (31, 13010080), (32, 12603515), (40, 10082812), (43, 9379360), (61, 6611680), (62, 6505040), (80, 5041406), (86, 4689680), (122, 3305840), (124, 3252520), (155, 2602016), (160, 2520703), (172, 2344840), (215, 1875872), (244, 1652920), (248, 1626260), (305, 1322336), (310, 1301008), (344, 1172420), (430, 937936), (488, 826460), (496, 813130), (610, 661168), (620, 650504), (688, 586210), (860, 468968), (961, 419680), (976, 413230), (992, 406565), (1220, 330584), (1240, 325252), (1333, 302560), (1376, 293105), (1720, 234484), (1891, 213280), (1922, 209840), (1952, 206615), (2440, 165292), (2480, 162626), (2623, 153760), (2666, 151280), (3440, 117242), (3782, 106640), (3844, 104920), (4805, 83936), (4880, 82646), (4960, 81313), (5246, 76880), (5332, 75640), (6665, 60512), (6880, 58621), (7564, 53320), (7688, 52460), (9455, 42656), (9610, 41968), (9760, 41323), (10492, 38440), (10664, 37820), (13115, 30752), (13330, 30256), (15128, 26660), (15376, 26230), (18910, 21328), (19220, 20984)]