78312555880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{5477}}^1$

素因数の和:6419

約数の個数: 128

約数和(自身を含む): 196135188480

約数和(自身を除く): 117822632600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 887, 1240, 1612, 1774, 2015, 3224, 3548, 4030, 4435, 5477, 7096, 8060, 8870, 10954, 11531, 16120, 17740, 21908, 23062, 27385, 27497, 35480, 43816, 46124, 54770, 54994, 57655, 71201, 92248, 109540, 109988, 115310, 137485, 142402, 169787, 219080, 219976, 230620, 274970, 284804, 339574, 356005, 357461, 461240, 549940, 569608, 679148, 712010, 714922, 848935, 1099880, 1358296, 1424020, 1429844, 1697870, 1787305, 2207231, 2848040, 2859688, 3395740, 3574610, 4414462, 4858099, 6791480, 7149220, 8828924, 9716198, 11036155, 14298440, 17657848, 19432396, 22072310, 24290495, 38864792, 44144620, 48580990, 63155287, 88289240, 97161980, 126310574, 150601069, 194323960, 252621148, 301202138, 315776435, 505242296, 602404276, 631552870, 753005345, 1204808552, 1263105740, 1506010690, 1957813897, 2526211480, 3012021380, 3915627794, 6024042760, 7831255588, 9789069485, 15662511176, 19578138970, 39156277940, 78312555880]

約数ペア:

[(1, 78312555880), (2, 39156277940), (4, 19578138970), (5, 15662511176), (8, 9789069485), (10, 7831255588), (13, 6024042760), (20, 3915627794), (26, 3012021380), (31, 2526211480), (40, 1957813897), (52, 1506010690), (62, 1263105740), (65, 1204808552), (104, 753005345), (124, 631552870), (130, 602404276), (155, 505242296), (248, 315776435), (260, 301202138), (310, 252621148), (403, 194323960), (520, 150601069), (620, 126310574), (806, 97161980), (887, 88289240), (1240, 63155287), (1612, 48580990), (1774, 44144620), (2015, 38864792), (3224, 24290495), (3548, 22072310), (4030, 19432396), (4435, 17657848), (5477, 14298440), (7096, 11036155), (8060, 9716198), (8870, 8828924), (10954, 7149220), (11531, 6791480), (16120, 4858099), (17740, 4414462), (21908, 3574610), (23062, 3395740), (27385, 2859688), (27497, 2848040), (35480, 2207231), (43816, 1787305), (46124, 1697870), (54770, 1429844), (54994, 1424020), (57655, 1358296), (71201, 1099880), (92248, 848935), (109540, 714922), (109988, 712010), (115310, 679148), (137485, 569608), (142402, 549940), (169787, 461240), (219080, 357461), (219976, 356005), (230620, 339574), (274970, 284804)]