31785480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1588

約数の個数: 128

約数和(自身を含む): 111600000

約数和(自身を除く): 79814520

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, 1549, 1710, 2052, 2280, 2565, 3098, 3420, 4104, 4647, 5130, 6196, 6840, 7745, 9294, 10260, 12392, 13941, 15490, 18588, 20520, 23235, 27882, 29431, 30980, 37176, 41823, 46470, 55764, 58862, 61960, 69705, 83646, 88293, 92940, 111528, 117724, 139410, 147155, 167292, 176586, 185880, 209115, 235448, 264879, 278820, 294310, 334584, 353172, 418230, 441465, 529758, 557640, 588620, 706344, 794637, 836460, 882930, 1059516, 1177240, 1324395, 1589274, 1672920, 1765860, 2119032, 2648790, 3178548, 3531720, 3973185, 5297580, 6357096, 7946370, 10595160, 15892740, 31785480]

約数ペア:

[(1, 31785480), (2, 15892740), (3, 10595160), (4, 7946370), (5, 6357096), (6, 5297580), (8, 3973185), (9, 3531720), (10, 3178548), (12, 2648790), (15, 2119032), (18, 1765860), (19, 1672920), (20, 1589274), (24, 1324395), (27, 1177240), (30, 1059516), (36, 882930), (38, 836460), (40, 794637), (45, 706344), (54, 588620), (57, 557640), (60, 529758), (72, 441465), (76, 418230), (90, 353172), (95, 334584), (108, 294310), (114, 278820), (120, 264879), (135, 235448), (152, 209115), (171, 185880), (180, 176586), (190, 167292), (216, 147155), (228, 139410), (270, 117724), (285, 111528), (342, 92940), (360, 88293), (380, 83646), (456, 69705), (513, 61960), (540, 58862), (570, 55764), (684, 46470), (760, 41823), (855, 37176), (1026, 30980), (1080, 29431), (1140, 27882), (1368, 23235), (1549, 20520), (1710, 18588), (2052, 15490), (2280, 13941), (2565, 12392), (3098, 10260), (3420, 9294), (4104, 7745), (4647, 6840), (5130, 6196)]