2490540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 7827456

約数和(自身を除く): 5336916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 103, 124, 130, 155, 156, 186, 195, 206, 260, 309, 310, 372, 390, 403, 412, 465, 515, 618, 620, 780, 806, 930, 1030, 1209, 1236, 1339, 1545, 1612, 1860, 2015, 2060, 2418, 2678, 3090, 3193, 4017, 4030, 4836, 5356, 6045, 6180, 6386, 6695, 8034, 8060, 9579, 12090, 12772, 13390, 15965, 16068, 19158, 20085, 24180, 26780, 31930, 38316, 40170, 41509, 47895, 63860, 80340, 83018, 95790, 124527, 166036, 191580, 207545, 249054, 415090, 498108, 622635, 830180, 1245270, 2490540]

約数ペア:

[(1, 2490540), (2, 1245270), (3, 830180), (4, 622635), (5, 498108), (6, 415090), (10, 249054), (12, 207545), (13, 191580), (15, 166036), (20, 124527), (26, 95790), (30, 83018), (31, 80340), (39, 63860), (52, 47895), (60, 41509), (62, 40170), (65, 38316), (78, 31930), (93, 26780), (103, 24180), (124, 20085), (130, 19158), (155, 16068), (156, 15965), (186, 13390), (195, 12772), (206, 12090), (260, 9579), (309, 8060), (310, 8034), (372, 6695), (390, 6386), (403, 6180), (412, 6045), (465, 5356), (515, 4836), (618, 4030), (620, 4017), (780, 3193), (806, 3090), (930, 2678), (1030, 2418), (1209, 2060), (1236, 2015), (1339, 1860), (1545, 1612)]