28665900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{3539}}^1$

素因数の和:3565

約数の個数: 90

約数和(自身を含む): 92949780

約数和(自身を除く): 64283880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 3539, 4050, 7078, 8100, 10617, 14156, 17695, 21234, 31851, 35390, 42468, 53085, 63702, 70780, 88475, 95553, 106170, 127404, 159255, 176950, 191106, 212340, 265425, 286659, 318510, 353900, 382212, 477765, 530850, 573318, 637020, 796275, 955530, 1061700, 1146636, 1433295, 1592550, 1911060, 2388825, 2866590, 3185100, 4777650, 5733180, 7166475, 9555300, 14332950, 28665900]

約数ペア:

[(1, 28665900), (2, 14332950), (3, 9555300), (4, 7166475), (5, 5733180), (6, 4777650), (9, 3185100), (10, 2866590), (12, 2388825), (15, 1911060), (18, 1592550), (20, 1433295), (25, 1146636), (27, 1061700), (30, 955530), (36, 796275), (45, 637020), (50, 573318), (54, 530850), (60, 477765), (75, 382212), (81, 353900), (90, 318510), (100, 286659), (108, 265425), (135, 212340), (150, 191106), (162, 176950), (180, 159255), (225, 127404), (270, 106170), (300, 95553), (324, 88475), (405, 70780), (450, 63702), (540, 53085), (675, 42468), (810, 35390), (900, 31851), (1350, 21234), (1620, 17695), (2025, 14156), (2700, 10617), (3539, 8100), (4050, 7078)]