131184560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 120

約数和(自身を含む): 342013824

約数和(自身を除く): 210829264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 313, 338, 403, 496, 520, 620, 626, 676, 806, 845, 1040, 1240, 1252, 1352, 1565, 1612, 1690, 2015, 2480, 2504, 2704, 3130, 3224, 3380, 4030, 4069, 5008, 5239, 6260, 6448, 6760, 8060, 8138, 9703, 10478, 12520, 13520, 16120, 16276, 19406, 20345, 20956, 25040, 26195, 32240, 32552, 38812, 40690, 41912, 48515, 52390, 52897, 65104, 77624, 81380, 83824, 97030, 104780, 105794, 126139, 155248, 162760, 194060, 209560, 211588, 252278, 264485, 325520, 388120, 419120, 423176, 504556, 528970, 630695, 776240, 846352, 1009112, 1057940, 1261390, 1639807, 2018224, 2115880, 2522780, 3279614, 4231760, 5045560, 6559228, 8199035, 10091120, 13118456, 16398070, 26236912, 32796140, 65592280, 131184560]

約数ペア:

[(1, 131184560), (2, 65592280), (4, 32796140), (5, 26236912), (8, 16398070), (10, 13118456), (13, 10091120), (16, 8199035), (20, 6559228), (26, 5045560), (31, 4231760), (40, 3279614), (52, 2522780), (62, 2115880), (65, 2018224), (80, 1639807), (104, 1261390), (124, 1057940), (130, 1009112), (155, 846352), (169, 776240), (208, 630695), (248, 528970), (260, 504556), (310, 423176), (313, 419120), (338, 388120), (403, 325520), (496, 264485), (520, 252278), (620, 211588), (626, 209560), (676, 194060), (806, 162760), (845, 155248), (1040, 126139), (1240, 105794), (1252, 104780), (1352, 97030), (1565, 83824), (1612, 81380), (1690, 77624), (2015, 65104), (2480, 52897), (2504, 52390), (2704, 48515), (3130, 41912), (3224, 40690), (3380, 38812), (4030, 32552), (4069, 32240), (5008, 26195), (5239, 25040), (6260, 20956), (6448, 20345), (6760, 19406), (8060, 16276), (8138, 16120), (9703, 13520), (10478, 12520)]