19915428720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{685793}}^1$

素因数の和:685831

約数の個数: 120

約数和(自身を含む): 67860687888

約数和(自身を除く): 47945259168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5808, 7260, 9680, 14520, 29040, 685793, 1371586, 2057379, 2743172, 3428965, 4114758, 5486344, 6857930, 7543723, 8229516, 10286895, 10972688, 13715860, 15087446, 16459032, 20573790, 22631169, 27431720, 30174892, 32918064, 37718615, 41147580, 45262338, 54863440, 60349784, 75437230, 82295160, 82980953, 90524676, 113155845, 120699568, 150874460, 164590320, 165961906, 181049352, 226311690, 248942859, 301748920, 331923812, 362098704, 414904765, 452623380, 497885718, 603497840, 663847624, 829809530, 905246760, 995771436, 1244714295, 1327695248, 1659619060, 1810493520, 1991542872, 2489428590, 3319238120, 3983085744, 4978857180, 6638476240, 9957714360, 19915428720]

約数ペア:

[(1, 19915428720), (2, 9957714360), (3, 6638476240), (4, 4978857180), (5, 3983085744), (6, 3319238120), (8, 2489428590), (10, 1991542872), (11, 1810493520), (12, 1659619060), (15, 1327695248), (16, 1244714295), (20, 995771436), (22, 905246760), (24, 829809530), (30, 663847624), (33, 603497840), (40, 497885718), (44, 452623380), (48, 414904765), (55, 362098704), (60, 331923812), (66, 301748920), (80, 248942859), (88, 226311690), (110, 181049352), (120, 165961906), (121, 164590320), (132, 150874460), (165, 120699568), (176, 113155845), (220, 90524676), (240, 82980953), (242, 82295160), (264, 75437230), (330, 60349784), (363, 54863440), (440, 45262338), (484, 41147580), (528, 37718615), (605, 32918064), (660, 30174892), (726, 27431720), (880, 22631169), (968, 20573790), (1210, 16459032), (1320, 15087446), (1452, 13715860), (1815, 10972688), (1936, 10286895), (2420, 8229516), (2640, 7543723), (2904, 6857930), (3630, 5486344), (4840, 4114758), (5808, 3428965), (7260, 2743172), (9680, 2057379), (14520, 1371586), (29040, 685793)]