178530660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 216

約数和(自身を含む): 680866368

約数和(自身を除く): 502335708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1171, 1210, 1260, 1386, 1452, 1540, 1694, 1815, 1980, 2178, 2310, 2342, 2420, 2541, 2772, 3388, 3465, 3513, 3630, 4235, 4356, 4620, 4684, 5082, 5445, 5855, 6930, 7026, 7260, 7623, 8197, 8470, 10164, 10539, 10890, 11710, 12705, 12881, 13860, 14052, 15246, 16394, 16940, 17565, 21078, 21780, 23420, 24591, 25410, 25762, 30492, 32788, 35130, 38115, 38643, 40985, 42156, 49182, 50820, 51524, 52695, 64405, 70260, 73773, 76230, 77286, 81970, 90167, 98364, 105390, 115929, 122955, 128810, 141691, 147546, 152460, 154572, 163940, 180334, 193215, 210780, 231858, 245910, 257620, 270501, 283382, 295092, 360668, 368865, 386430, 425073, 450835, 463716, 491820, 541002, 566764, 579645, 708455, 737730, 772860, 811503, 850146, 901670, 991837, 1082004, 1159290, 1275219, 1352505, 1416910, 1475460, 1623006, 1700292, 1803340, 1983674, 2125365, 2318580, 2550438, 2705010, 2833820, 2975511, 3246012, 3967348, 4057515, 4250730, 4959185, 5100876, 5410020, 5951022, 6376095, 8115030, 8501460, 8926533, 9918370, 11902044, 12752190, 14877555, 16230060, 17853066, 19836740, 25504380, 29755110, 35706132, 44632665, 59510220, 89265330, 178530660]

約数ペア:

[(1, 178530660), (2, 89265330), (3, 59510220), (4, 44632665), (5, 35706132), (6, 29755110), (7, 25504380), (9, 19836740), (10, 17853066), (11, 16230060), (12, 14877555), (14, 12752190), (15, 11902044), (18, 9918370), (20, 8926533), (21, 8501460), (22, 8115030), (28, 6376095), (30, 5951022), (33, 5410020), (35, 5100876), (36, 4959185), (42, 4250730), (44, 4057515), (45, 3967348), (55, 3246012), (60, 2975511), (63, 2833820), (66, 2705010), (70, 2550438), (77, 2318580), (84, 2125365), (90, 1983674), (99, 1803340), (105, 1700292), (110, 1623006), (121, 1475460), (126, 1416910), (132, 1352505), (140, 1275219), (154, 1159290), (165, 1082004), (180, 991837), (198, 901670), (210, 850146), (220, 811503), (231, 772860), (242, 737730), (252, 708455), (308, 579645), (315, 566764), (330, 541002), (363, 491820), (385, 463716), (396, 450835), (420, 425073), (462, 386430), (484, 368865), (495, 360668), (605, 295092), (630, 283382), (660, 270501), (693, 257620), (726, 245910), (770, 231858), (847, 210780), (924, 193215), (990, 180334), (1089, 163940), (1155, 154572), (1171, 152460), (1210, 147546), (1260, 141691), (1386, 128810), (1452, 122955), (1540, 115929), (1694, 105390), (1815, 98364), (1980, 90167), (2178, 81970), (2310, 77286), (2342, 76230), (2420, 73773), (2541, 70260), (2772, 64405), (3388, 52695), (3465, 51524), (3513, 50820), (3630, 49182), (4235, 42156), (4356, 40985), (4620, 38643), (4684, 38115), (5082, 35130), (5445, 32788), (5855, 30492), (6930, 25762), (7026, 25410), (7260, 24591), (7623, 23420), (8197, 21780), (8470, 21078), (10164, 17565), (10539, 16940), (10890, 16394), (11710, 15246), (12705, 14052), (12881, 13860)]