320423220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7207}}^1$

素因数の和:7254

約数の個数: 144

約数和(自身を含む): 1101959040

約数和(自身を除く): 781535820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7207, 7410, 8892, 11115, 14414, 14820, 21621, 22230, 28828, 36035, 43242, 44460, 64863, 72070, 86484, 93691, 108105, 129726, 136933, 144140, 187382, 216210, 259452, 273866, 281073, 324315, 374764, 410799, 432420, 468455, 547732, 562146, 648630, 684665, 821598, 843219, 936910, 1124292, 1232397, 1297260, 1369330, 1405365, 1643196, 1686438, 1780129, 1873820, 2053995, 2464794, 2738660, 2810730, 3372876, 3560258, 4107990, 4216095, 4929588, 5340387, 5621460, 6161985, 7120516, 8215980, 8432190, 8900645, 10680774, 12323970, 16021161, 16864380, 17801290, 21361548, 24647940, 26701935, 32042322, 35602580, 53403870, 64084644, 80105805, 106807740, 160211610, 320423220]

約数ペア:

[(1, 320423220), (2, 160211610), (3, 106807740), (4, 80105805), (5, 64084644), (6, 53403870), (9, 35602580), (10, 32042322), (12, 26701935), (13, 24647940), (15, 21361548), (18, 17801290), (19, 16864380), (20, 16021161), (26, 12323970), (30, 10680774), (36, 8900645), (38, 8432190), (39, 8215980), (45, 7120516), (52, 6161985), (57, 5621460), (60, 5340387), (65, 4929588), (76, 4216095), (78, 4107990), (90, 3560258), (95, 3372876), (114, 2810730), (117, 2738660), (130, 2464794), (156, 2053995), (171, 1873820), (180, 1780129), (190, 1686438), (195, 1643196), (228, 1405365), (234, 1369330), (247, 1297260), (260, 1232397), (285, 1124292), (342, 936910), (380, 843219), (390, 821598), (468, 684665), (494, 648630), (570, 562146), (585, 547732), (684, 468455), (741, 432420), (780, 410799), (855, 374764), (988, 324315), (1140, 281073), (1170, 273866), (1235, 259452), (1482, 216210), (1710, 187382), (2223, 144140), (2340, 136933), (2470, 129726), (2964, 108105), (3420, 93691), (3705, 86484), (4446, 72070), (4940, 64863), (7207, 44460), (7410, 43242), (8892, 36035), (11115, 28828), (14414, 22230), (14820, 21621)]