257464440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12547}}^1$

素因数の和:12586

約数の個数: 128

約数和(自身を含む): 903456000

約数和(自身を除く): 645991560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12547, 20520, 25094, 37641, 50188, 62735, 75282, 100376, 112923, 125470, 150564, 188205, 225846, 238393, 250940, 301128, 338769, 376410, 451692, 476786, 501880, 564615, 677538, 715179, 752820, 903384, 953572, 1129230, 1191965, 1355076, 1430358, 1505640, 1693845, 1907144, 2145537, 2258460, 2383930, 2710152, 2860716, 3387690, 3575895, 4291074, 4516920, 4767860, 5721432, 6436611, 6775380, 7151790, 8582148, 9535720, 10727685, 12873222, 13550760, 14303580, 17164296, 21455370, 25746444, 28607160, 32183055, 42910740, 51492888, 64366110, 85821480, 128732220, 257464440]

約数ペア:

[(1, 257464440), (2, 128732220), (3, 85821480), (4, 64366110), (5, 51492888), (6, 42910740), (8, 32183055), (9, 28607160), (10, 25746444), (12, 21455370), (15, 17164296), (18, 14303580), (19, 13550760), (20, 12873222), (24, 10727685), (27, 9535720), (30, 8582148), (36, 7151790), (38, 6775380), (40, 6436611), (45, 5721432), (54, 4767860), (57, 4516920), (60, 4291074), (72, 3575895), (76, 3387690), (90, 2860716), (95, 2710152), (108, 2383930), (114, 2258460), (120, 2145537), (135, 1907144), (152, 1693845), (171, 1505640), (180, 1430358), (190, 1355076), (216, 1191965), (228, 1129230), (270, 953572), (285, 903384), (342, 752820), (360, 715179), (380, 677538), (456, 564615), (513, 501880), (540, 476786), (570, 451692), (684, 376410), (760, 338769), (855, 301128), (1026, 250940), (1080, 238393), (1140, 225846), (1368, 188205), (1710, 150564), (2052, 125470), (2280, 112923), (2565, 100376), (3420, 75282), (4104, 62735), (5130, 50188), (6840, 37641), (10260, 25094), (12547, 20520)]