198502560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137849}}^1$

素因数の和:137870

約数の個数: 72

約数和(自身を含む): 677394900

約数和(自身を除く): 478892340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 137849, 275698, 413547, 551396, 689245, 827094, 1102792, 1240641, 1378490, 1654188, 2067735, 2205584, 2481282, 2756980, 3308376, 4135470, 4411168, 4962564, 5513960, 6203205, 6616752, 8270940, 9925128, 11027920, 12406410, 13233504, 16541880, 19850256, 22055840, 24812820, 33083760, 39700512, 49625640, 66167520, 99251280, 198502560]

約数ペア:

[(1, 198502560), (2, 99251280), (3, 66167520), (4, 49625640), (5, 39700512), (6, 33083760), (8, 24812820), (9, 22055840), (10, 19850256), (12, 16541880), (15, 13233504), (16, 12406410), (18, 11027920), (20, 9925128), (24, 8270940), (30, 6616752), (32, 6203205), (36, 5513960), (40, 4962564), (45, 4411168), (48, 4135470), (60, 3308376), (72, 2756980), (80, 2481282), (90, 2205584), (96, 2067735), (120, 1654188), (144, 1378490), (160, 1240641), (180, 1102792), (240, 827094), (288, 689245), (360, 551396), (480, 413547), (720, 275698), (1440, 137849)]