305997900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2592

約数の個数: 144

約数和(自身を含む): 984603648

約数和(自身を除く): 678605748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2325, 2418, 2531, 3100, 3900, 4030, 4650, 4836, 5062, 6045, 7593, 8060, 9300, 10075, 10124, 12090, 12655, 15186, 20150, 24180, 25310, 30225, 30372, 32903, 37965, 40300, 50620, 60450, 63275, 65806, 75930, 78461, 98709, 120900, 126550, 131612, 151860, 156922, 164515, 189825, 197418, 235383, 253100, 313844, 329030, 379650, 392305, 394836, 470766, 493545, 658060, 759300, 784610, 822575, 941532, 987090, 1019993, 1176915, 1569220, 1645150, 1961525, 1974180, 2039986, 2353830, 2467725, 3059979, 3290300, 3923050, 4079972, 4707660, 4935450, 5099965, 5884575, 6119958, 7846100, 9870900, 10199930, 11769150, 12239916, 15299895, 20399860, 23538300, 25499825, 30599790, 50999650, 61199580, 76499475, 101999300, 152998950, 305997900]

約数ペア:

[(1, 305997900), (2, 152998950), (3, 101999300), (4, 76499475), (5, 61199580), (6, 50999650), (10, 30599790), (12, 25499825), (13, 23538300), (15, 20399860), (20, 15299895), (25, 12239916), (26, 11769150), (30, 10199930), (31, 9870900), (39, 7846100), (50, 6119958), (52, 5884575), (60, 5099965), (62, 4935450), (65, 4707660), (75, 4079972), (78, 3923050), (93, 3290300), (100, 3059979), (124, 2467725), (130, 2353830), (150, 2039986), (155, 1974180), (156, 1961525), (186, 1645150), (195, 1569220), (260, 1176915), (300, 1019993), (310, 987090), (325, 941532), (372, 822575), (390, 784610), (403, 759300), (465, 658060), (620, 493545), (650, 470766), (775, 394836), (780, 392305), (806, 379650), (930, 329030), (975, 313844), (1209, 253100), (1300, 235383), (1550, 197418), (1612, 189825), (1860, 164515), (1950, 156922), (2015, 151860), (2325, 131612), (2418, 126550), (2531, 120900), (3100, 98709), (3900, 78461), (4030, 75930), (4650, 65806), (4836, 63275), (5062, 60450), (6045, 50620), (7593, 40300), (8060, 37965), (9300, 32903), (10075, 30372), (10124, 30225), (12090, 25310), (12655, 24180), (15186, 20150)]