28149660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 192

約数和(自身を含む): 109347840

約数和(自身を除く): 81198180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 677, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1354, 1386, 1485, 1540, 1890, 1980, 2031, 2079, 2310, 2708, 2772, 2970, 3385, 3465, 3780, 4062, 4158, 4620, 4739, 5940, 6093, 6770, 6930, 7447, 8124, 8316, 9478, 10155, 10395, 12186, 13540, 13860, 14217, 14894, 18279, 18956, 20310, 20790, 22341, 23695, 24372, 28434, 29788, 30465, 36558, 37235, 40620, 41580, 42651, 44682, 47390, 52129, 56868, 60930, 67023, 71085, 73116, 74470, 85302, 89364, 91395, 94780, 104258, 111705, 121860, 127953, 134046, 142170, 148940, 156387, 170604, 182790, 201069, 208516, 213255, 223410, 255906, 260645, 268092, 284340, 312774, 335115, 365580, 402138, 426510, 446820, 469161, 511812, 521290, 625548, 639765, 670230, 781935, 804276, 853020, 938322, 1005345, 1042580, 1279530, 1340460, 1407483, 1563870, 1876644, 2010690, 2345805, 2559060, 2814966, 3127740, 4021380, 4691610, 5629932, 7037415, 9383220, 14074830, 28149660]

約数ペア:

[(1, 28149660), (2, 14074830), (3, 9383220), (4, 7037415), (5, 5629932), (6, 4691610), (7, 4021380), (9, 3127740), (10, 2814966), (11, 2559060), (12, 2345805), (14, 2010690), (15, 1876644), (18, 1563870), (20, 1407483), (21, 1340460), (22, 1279530), (27, 1042580), (28, 1005345), (30, 938322), (33, 853020), (35, 804276), (36, 781935), (42, 670230), (44, 639765), (45, 625548), (54, 521290), (55, 511812), (60, 469161), (63, 446820), (66, 426510), (70, 402138), (77, 365580), (84, 335115), (90, 312774), (99, 284340), (105, 268092), (108, 260645), (110, 255906), (126, 223410), (132, 213255), (135, 208516), (140, 201069), (154, 182790), (165, 170604), (180, 156387), (189, 148940), (198, 142170), (210, 134046), (220, 127953), (231, 121860), (252, 111705), (270, 104258), (297, 94780), (308, 91395), (315, 89364), (330, 85302), (378, 74470), (385, 73116), (396, 71085), (420, 67023), (462, 60930), (495, 56868), (540, 52129), (594, 47390), (630, 44682), (660, 42651), (677, 41580), (693, 40620), (756, 37235), (770, 36558), (924, 30465), (945, 29788), (990, 28434), (1155, 24372), (1188, 23695), (1260, 22341), (1354, 20790), (1386, 20310), (1485, 18956), (1540, 18279), (1890, 14894), (1980, 14217), (2031, 13860), (2079, 13540), (2310, 12186), (2708, 10395), (2772, 10155), (2970, 9478), (3385, 8316), (3465, 8124), (3780, 7447), (4062, 6930), (4158, 6770), (4620, 6093), (4739, 5940)]