128187900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 415910880

約数和(自身を除く): 287722980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 197, 225, 241, 270, 300, 394, 450, 482, 540, 591, 675, 723, 788, 900, 964, 985, 1182, 1205, 1350, 1446, 1773, 1970, 2169, 2364, 2410, 2700, 2892, 2955, 3546, 3615, 3940, 4338, 4820, 4925, 5319, 5910, 6025, 6507, 7092, 7230, 8676, 8865, 9850, 10638, 10845, 11820, 12050, 13014, 14460, 14775, 17730, 18075, 19700, 21276, 21690, 24100, 26028, 26595, 29550, 32535, 35460, 36150, 43380, 44325, 47477, 53190, 54225, 59100, 65070, 72300, 88650, 94954, 106380, 108450, 130140, 132975, 142431, 162675, 177300, 189908, 216900, 237385, 265950, 284862, 325350, 427293, 474770, 531900, 569724, 650700, 712155, 854586, 949540, 1186925, 1281879, 1424310, 1709172, 2136465, 2373850, 2563758, 2848620, 3560775, 4272930, 4747700, 5127516, 6409395, 7121550, 8545860, 10682325, 12818790, 14243100, 21364650, 25637580, 32046975, 42729300, 64093950, 128187900]

約数ペア:

[(1, 128187900), (2, 64093950), (3, 42729300), (4, 32046975), (5, 25637580), (6, 21364650), (9, 14243100), (10, 12818790), (12, 10682325), (15, 8545860), (18, 7121550), (20, 6409395), (25, 5127516), (27, 4747700), (30, 4272930), (36, 3560775), (45, 2848620), (50, 2563758), (54, 2373850), (60, 2136465), (75, 1709172), (90, 1424310), (100, 1281879), (108, 1186925), (135, 949540), (150, 854586), (180, 712155), (197, 650700), (225, 569724), (241, 531900), (270, 474770), (300, 427293), (394, 325350), (450, 284862), (482, 265950), (540, 237385), (591, 216900), (675, 189908), (723, 177300), (788, 162675), (900, 142431), (964, 132975), (985, 130140), (1182, 108450), (1205, 106380), (1350, 94954), (1446, 88650), (1773, 72300), (1970, 65070), (2169, 59100), (2364, 54225), (2410, 53190), (2700, 47477), (2892, 44325), (2955, 43380), (3546, 36150), (3615, 35460), (3940, 32535), (4338, 29550), (4820, 26595), (4925, 26028), (5319, 24100), (5910, 21690), (6025, 21276), (6507, 19700), (7092, 18075), (7230, 17730), (8676, 14775), (8865, 14460), (9850, 13014), (10638, 12050), (10845, 11820)]