78781140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3943}}^1$

素因数の和:3998

約数の個数: 96

約数和(自身を含む): 251784960

約数和(自身を除く): 173003820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3943, 3996, 4995, 6660, 7886, 9990, 11829, 15772, 19715, 19980, 23658, 35487, 39430, 47316, 59145, 70974, 78860, 106461, 118290, 141948, 145891, 177435, 212922, 236580, 291782, 354870, 425844, 437673, 532305, 583564, 709740, 729455, 875346, 1064610, 1313019, 1458910, 1750692, 2129220, 2188365, 2626038, 2917820, 3939057, 4376730, 5252076, 6565095, 7878114, 8753460, 13130190, 15756228, 19695285, 26260380, 39390570, 78781140]

約数ペア:

[(1, 78781140), (2, 39390570), (3, 26260380), (4, 19695285), (5, 15756228), (6, 13130190), (9, 8753460), (10, 7878114), (12, 6565095), (15, 5252076), (18, 4376730), (20, 3939057), (27, 2917820), (30, 2626038), (36, 2188365), (37, 2129220), (45, 1750692), (54, 1458910), (60, 1313019), (74, 1064610), (90, 875346), (108, 729455), (111, 709740), (135, 583564), (148, 532305), (180, 437673), (185, 425844), (222, 354870), (270, 291782), (333, 236580), (370, 212922), (444, 177435), (540, 145891), (555, 141948), (666, 118290), (740, 106461), (999, 78860), (1110, 70974), (1332, 59145), (1665, 47316), (1998, 39430), (2220, 35487), (3330, 23658), (3943, 19980), (3996, 19715), (4995, 15772), (6660, 11829), (7886, 9990)]