155500440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 483840000

約数和(自身を除く): 328339560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 79, 94, 120, 141, 158, 188, 235, 237, 282, 316, 349, 376, 395, 470, 474, 564, 632, 698, 705, 790, 940, 948, 1047, 1128, 1185, 1396, 1410, 1580, 1745, 1880, 1896, 2094, 2370, 2792, 2820, 3160, 3490, 3713, 4188, 4740, 5235, 5640, 6980, 7426, 8376, 9480, 10470, 11139, 13960, 14852, 16403, 18565, 20940, 22278, 27571, 29704, 32806, 37130, 41880, 44556, 49209, 55142, 55695, 65612, 74260, 82015, 82713, 89112, 98418, 110284, 111390, 131224, 137855, 148520, 164030, 165426, 196836, 220568, 222780, 246045, 275710, 328060, 330852, 393672, 413565, 445560, 492090, 551420, 656120, 661704, 827130, 984180, 1102840, 1295837, 1654260, 1968360, 2591674, 3308520, 3887511, 5183348, 6479185, 7775022, 10366696, 12958370, 15550044, 19437555, 25916740, 31100088, 38875110, 51833480, 77750220, 155500440]

約数ペア:

[(1, 155500440), (2, 77750220), (3, 51833480), (4, 38875110), (5, 31100088), (6, 25916740), (8, 19437555), (10, 15550044), (12, 12958370), (15, 10366696), (20, 7775022), (24, 6479185), (30, 5183348), (40, 3887511), (47, 3308520), (60, 2591674), (79, 1968360), (94, 1654260), (120, 1295837), (141, 1102840), (158, 984180), (188, 827130), (235, 661704), (237, 656120), (282, 551420), (316, 492090), (349, 445560), (376, 413565), (395, 393672), (470, 330852), (474, 328060), (564, 275710), (632, 246045), (698, 222780), (705, 220568), (790, 196836), (940, 165426), (948, 164030), (1047, 148520), (1128, 137855), (1185, 131224), (1396, 111390), (1410, 110284), (1580, 98418), (1745, 89112), (1880, 82713), (1896, 82015), (2094, 74260), (2370, 65612), (2792, 55695), (2820, 55142), (3160, 49209), (3490, 44556), (3713, 41880), (4188, 37130), (4740, 32806), (5235, 29704), (5640, 27571), (6980, 22278), (7426, 20940), (8376, 18565), (9480, 16403), (10470, 14852), (11139, 13960)]