305818380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{242713}}^1$

素因数の和:242735

約数の個数: 72

約数和(自身を含む): 1060174752

約数和(自身を除く): 754356372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 242713, 485426, 728139, 970852, 1213565, 1456278, 1698991, 2184417, 2427130, 2912556, 3397982, 3640695, 4368834, 4854260, 5096973, 6795964, 7281390, 8494955, 8737668, 10193946, 10922085, 14562780, 15290919, 16989910, 20387892, 21844170, 25484865, 30581838, 33979820, 43688340, 50969730, 61163676, 76454595, 101939460, 152909190, 305818380]

約数ペア:

[(1, 305818380), (2, 152909190), (3, 101939460), (4, 76454595), (5, 61163676), (6, 50969730), (7, 43688340), (9, 33979820), (10, 30581838), (12, 25484865), (14, 21844170), (15, 20387892), (18, 16989910), (20, 15290919), (21, 14562780), (28, 10922085), (30, 10193946), (35, 8737668), (36, 8494955), (42, 7281390), (45, 6795964), (60, 5096973), (63, 4854260), (70, 4368834), (84, 3640695), (90, 3397982), (105, 2912556), (126, 2427130), (140, 2184417), (180, 1698991), (210, 1456278), (252, 1213565), (315, 970852), (420, 728139), (630, 485426), (1260, 242713)]