81027450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 144

約数和(自身を含む): 257662080

約数和(自身を除く): 176634630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 29, 30, 35, 42, 45, 50, 58, 63, 70, 75, 87, 90, 105, 126, 145, 150, 174, 175, 203, 210, 225, 261, 290, 315, 350, 406, 435, 450, 522, 525, 609, 630, 725, 870, 887, 1015, 1050, 1218, 1305, 1450, 1575, 1774, 1827, 2030, 2175, 2610, 2661, 3045, 3150, 3654, 4350, 4435, 5075, 5322, 6090, 6209, 6525, 7983, 8870, 9135, 10150, 12418, 13050, 13305, 15225, 15966, 18270, 18627, 22175, 25723, 26610, 30450, 31045, 37254, 39915, 44350, 45675, 51446, 55881, 62090, 66525, 77169, 79830, 91350, 93135, 111762, 128615, 133050, 154338, 155225, 180061, 186270, 199575, 231507, 257230, 279405, 310450, 360122, 385845, 399150, 463014, 465675, 540183, 558810, 643075, 771690, 900305, 931350, 1080366, 1157535, 1286150, 1397025, 1620549, 1800610, 1929225, 2315070, 2700915, 2794050, 3241098, 3858450, 4501525, 5401830, 5787675, 8102745, 9003050, 11575350, 13504575, 16205490, 27009150, 40513725, 81027450]

約数ペア:

[(1, 81027450), (2, 40513725), (3, 27009150), (5, 16205490), (6, 13504575), (7, 11575350), (9, 9003050), (10, 8102745), (14, 5787675), (15, 5401830), (18, 4501525), (21, 3858450), (25, 3241098), (29, 2794050), (30, 2700915), (35, 2315070), (42, 1929225), (45, 1800610), (50, 1620549), (58, 1397025), (63, 1286150), (70, 1157535), (75, 1080366), (87, 931350), (90, 900305), (105, 771690), (126, 643075), (145, 558810), (150, 540183), (174, 465675), (175, 463014), (203, 399150), (210, 385845), (225, 360122), (261, 310450), (290, 279405), (315, 257230), (350, 231507), (406, 199575), (435, 186270), (450, 180061), (522, 155225), (525, 154338), (609, 133050), (630, 128615), (725, 111762), (870, 93135), (887, 91350), (1015, 79830), (1050, 77169), (1218, 66525), (1305, 62090), (1450, 55881), (1575, 51446), (1774, 45675), (1827, 44350), (2030, 39915), (2175, 37254), (2610, 31045), (2661, 30450), (3045, 26610), (3150, 25723), (3654, 22175), (4350, 18627), (4435, 18270), (5075, 15966), (5322, 15225), (6090, 13305), (6209, 13050), (6525, 12418), (7983, 10150), (8870, 9135)]