2013242920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 5072256000

約数和(自身を除く): 3059013080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 169, 248, 260, 310, 338, 403, 520, 620, 676, 739, 806, 845, 1240, 1352, 1478, 1612, 1690, 2015, 2197, 2956, 3224, 3380, 3695, 4030, 4394, 5239, 5912, 6760, 7390, 8060, 8788, 9607, 10478, 10985, 14780, 16120, 17576, 19214, 20956, 21970, 22909, 26195, 29560, 38428, 41912, 43940, 45818, 48035, 52390, 68107, 76856, 87880, 91636, 96070, 104780, 114545, 124891, 136214, 183272, 192140, 209560, 229090, 249782, 272428, 297817, 340535, 384280, 458180, 499564, 544856, 595634, 624455, 681070, 916360, 999128, 1191268, 1248910, 1362140, 1489085, 1623583, 2382536, 2497820, 2724280, 2978170, 3247166, 3871621, 4995640, 5956340, 6494332, 7743242, 8117915, 11912680, 12988664, 15486484, 16235830, 19358105, 30972968, 32471660, 38716210, 50331073, 64943320, 77432420, 100662146, 154864840, 201324292, 251655365, 402648584, 503310730, 1006621460, 2013242920]

約数ペア:

[(1, 2013242920), (2, 1006621460), (4, 503310730), (5, 402648584), (8, 251655365), (10, 201324292), (13, 154864840), (20, 100662146), (26, 77432420), (31, 64943320), (40, 50331073), (52, 38716210), (62, 32471660), (65, 30972968), (104, 19358105), (124, 16235830), (130, 15486484), (155, 12988664), (169, 11912680), (248, 8117915), (260, 7743242), (310, 6494332), (338, 5956340), (403, 4995640), (520, 3871621), (620, 3247166), (676, 2978170), (739, 2724280), (806, 2497820), (845, 2382536), (1240, 1623583), (1352, 1489085), (1478, 1362140), (1612, 1248910), (1690, 1191268), (2015, 999128), (2197, 916360), (2956, 681070), (3224, 624455), (3380, 595634), (3695, 544856), (4030, 499564), (4394, 458180), (5239, 384280), (5912, 340535), (6760, 297817), (7390, 272428), (8060, 249782), (8788, 229090), (9607, 209560), (10478, 192140), (10985, 183272), (14780, 136214), (16120, 124891), (17576, 114545), (19214, 104780), (20956, 96070), (21970, 91636), (22909, 87880), (26195, 76856), (29560, 68107), (38428, 52390), (41912, 48035), (43940, 45818)]