7785777720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{298993}}^1$

素因数の和:299045

約数の個数: 128

約数和(自身を含む): 27555287040

約数和(自身を除く): 19769509320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 298993, 597986, 896979, 1195972, 1494965, 1793958, 2092951, 2391944, 2989930, 3587916, 4185902, 4484895, 5979860, 6278853, 7175832, 8371804, 8969790, 9268783, 10464755, 11959720, 12557706, 16743608, 17939580, 18537566, 20929510, 25115412, 27806349, 31394265, 35879160, 37075132, 41859020, 46343915, 50230824, 55612698, 62788530, 64881481, 74150264, 83718040, 92687830, 111225396, 125577060, 129762962, 139031745, 185375660, 194644443, 222450792, 251154120, 259525924, 278063490, 324407405, 370751320, 389288886, 519051848, 556126980, 648814810, 778577772, 973222215, 1112253960, 1297629620, 1557155544, 1946444430, 2595259240, 3892888860, 7785777720]

約数ペア:

[(1, 7785777720), (2, 3892888860), (3, 2595259240), (4, 1946444430), (5, 1557155544), (6, 1297629620), (7, 1112253960), (8, 973222215), (10, 778577772), (12, 648814810), (14, 556126980), (15, 519051848), (20, 389288886), (21, 370751320), (24, 324407405), (28, 278063490), (30, 259525924), (31, 251154120), (35, 222450792), (40, 194644443), (42, 185375660), (56, 139031745), (60, 129762962), (62, 125577060), (70, 111225396), (84, 92687830), (93, 83718040), (105, 74150264), (120, 64881481), (124, 62788530), (140, 55612698), (155, 50230824), (168, 46343915), (186, 41859020), (210, 37075132), (217, 35879160), (248, 31394265), (280, 27806349), (310, 25115412), (372, 20929510), (420, 18537566), (434, 17939580), (465, 16743608), (620, 12557706), (651, 11959720), (744, 10464755), (840, 9268783), (868, 8969790), (930, 8371804), (1085, 7175832), (1240, 6278853), (1302, 5979860), (1736, 4484895), (1860, 4185902), (2170, 3587916), (2604, 2989930), (3255, 2391944), (3720, 2092951), (4340, 1793958), (5208, 1494965), (6510, 1195972), (8680, 896979), (13020, 597986), (26040, 298993)]