28105740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12011}}^1$

素因数の和:12039

約数の個数: 72

約数和(自身を含む): 91819728

約数和(自身を除く): 63713988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12011, 24022, 36033, 48044, 60055, 72066, 108099, 120110, 144132, 156143, 180165, 216198, 240220, 312286, 360330, 432396, 468429, 540495, 624572, 720660, 780715, 936858, 1080990, 1405287, 1561430, 1873716, 2161980, 2342145, 2810574, 3122860, 4684290, 5621148, 7026435, 9368580, 14052870, 28105740]

約数ペア:

[(1, 28105740), (2, 14052870), (3, 9368580), (4, 7026435), (5, 5621148), (6, 4684290), (9, 3122860), (10, 2810574), (12, 2342145), (13, 2161980), (15, 1873716), (18, 1561430), (20, 1405287), (26, 1080990), (30, 936858), (36, 780715), (39, 720660), (45, 624572), (52, 540495), (60, 468429), (65, 432396), (78, 360330), (90, 312286), (117, 240220), (130, 216198), (156, 180165), (180, 156143), (195, 144132), (234, 120110), (260, 108099), (390, 72066), (468, 60055), (585, 48044), (780, 36033), (1170, 24022), (2340, 12011)]