256988700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31727}}^1$

素因数の和:31753

約数の個数: 90

約数和(自身を含む): 833082096

約数和(自身を除く): 576093396

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, 4050, 8100, 31727, 63454, 95181, 126908, 158635, 190362, 285543, 317270, 380724, 475905, 571086, 634540, 793175, 856629, 951810, 1142172, 1427715, 1586350, 1713258, 1903620, 2379525, 2569887, 2855430, 3172700, 3426516, 4283145, 4759050, 5139774, 5710860, 7138575, 8566290, 9518100, 10279548, 12849435, 14277150, 17132580, 21415725, 25698870, 28554300, 42831450, 51397740, 64247175, 85662900, 128494350, 256988700]

約数ペア:

[(1, 256988700), (2, 128494350), (3, 85662900), (4, 64247175), (5, 51397740), (6, 42831450), (9, 28554300), (10, 25698870), (12, 21415725), (15, 17132580), (18, 14277150), (20, 12849435), (25, 10279548), (27, 9518100), (30, 8566290), (36, 7138575), (45, 5710860), (50, 5139774), (54, 4759050), (60, 4283145), (75, 3426516), (81, 3172700), (90, 2855430), (100, 2569887), (108, 2379525), (135, 1903620), (150, 1713258), (162, 1586350), (180, 1427715), (225, 1142172), (270, 951810), (300, 856629), (324, 793175), (405, 634540), (450, 571086), (540, 475905), (675, 380724), (810, 317270), (900, 285543), (1350, 190362), (1620, 158635), (2025, 126908), (2700, 95181), (4050, 63454), (8100, 31727)]