201421560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21247}}^1$

素因数の和:21340

約数の個数: 64

約数和(自身を含む): 611942400

約数和(自身を除く): 410520840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 21247, 42494, 63741, 84988, 106235, 127482, 169976, 212470, 254964, 318705, 424940, 509928, 637410, 849880, 1274820, 1678513, 2549640, 3357026, 5035539, 6714052, 8392565, 10071078, 13428104, 16785130, 20142156, 25177695, 33570260, 40284312, 50355390, 67140520, 100710780, 201421560]

約数ペア:

[(1, 201421560), (2, 100710780), (3, 67140520), (4, 50355390), (5, 40284312), (6, 33570260), (8, 25177695), (10, 20142156), (12, 16785130), (15, 13428104), (20, 10071078), (24, 8392565), (30, 6714052), (40, 5035539), (60, 3357026), (79, 2549640), (120, 1678513), (158, 1274820), (237, 849880), (316, 637410), (395, 509928), (474, 424940), (632, 318705), (790, 254964), (948, 212470), (1185, 169976), (1580, 127482), (1896, 106235), (2370, 84988), (3160, 63741), (4740, 42494), (9480, 21247)]