278929980

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{911}}^1$

素因数の和:948

約数の個数: 192

約数和(自身を含む): 1005096960

約数和(自身を除く): 726166980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 729, 756, 810, 911, 945, 972, 1134, 1215, 1260, 1458, 1620, 1701, 1822, 1890, 2187, 2268, 2430, 2733, 2835, 2916, 3402, 3644, 3645, 3780, 4374, 4555, 4860, 5103, 5466, 5670, 6377, 6804, 7290, 8199, 8505, 8748, 9110, 10206, 10932, 10935, 11340, 12754, 13665, 14580, 15309, 16398, 17010, 18220, 19131, 20412, 21870, 24597, 25508, 25515, 27330, 30618, 31885, 32796, 34020, 38262, 40995, 43740, 49194, 51030, 54660, 57393, 61236, 63770, 73791, 76524, 76545, 81990, 95655, 98388, 102060, 114786, 122985, 127540, 147582, 153090, 163980, 172179, 191310, 221373, 229572, 245970, 286965, 295164, 306180, 344358, 368955, 382620, 442746, 491940, 516537, 573930, 664119, 688716, 737910, 860895, 885492, 1033074, 1106865, 1147860, 1328238, 1475820, 1549611, 1721790, 1992357, 2066148, 2213730, 2582685, 2656476, 3099222, 3320595, 3443580, 3984714, 4427460, 4648833, 5165370, 6198444, 6641190, 7748055, 7969428, 9297666, 9961785, 10330740, 13282380, 13946499, 15496110, 18595332, 19923570, 23244165, 27892998, 30992220, 39847140, 46488330, 55785996, 69732495, 92976660, 139464990, 278929980]

約数ペア:

[(1, 278929980), (2, 139464990), (3, 92976660), (4, 69732495), (5, 55785996), (6, 46488330), (7, 39847140), (9, 30992220), (10, 27892998), (12, 23244165), (14, 19923570), (15, 18595332), (18, 15496110), (20, 13946499), (21, 13282380), (27, 10330740), (28, 9961785), (30, 9297666), (35, 7969428), (36, 7748055), (42, 6641190), (45, 6198444), (54, 5165370), (60, 4648833), (63, 4427460), (70, 3984714), (81, 3443580), (84, 3320595), (90, 3099222), (105, 2656476), (108, 2582685), (126, 2213730), (135, 2066148), (140, 1992357), (162, 1721790), (180, 1549611), (189, 1475820), (210, 1328238), (243, 1147860), (252, 1106865), (270, 1033074), (315, 885492), (324, 860895), (378, 737910), (405, 688716), (420, 664119), (486, 573930), (540, 516537), (567, 491940), (630, 442746), (729, 382620), (756, 368955), (810, 344358), (911, 306180), (945, 295164), (972, 286965), (1134, 245970), (1215, 229572), (1260, 221373), (1458, 191310), (1620, 172179), (1701, 163980), (1822, 153090), (1890, 147582), (2187, 127540), (2268, 122985), (2430, 114786), (2733, 102060), (2835, 98388), (2916, 95655), (3402, 81990), (3644, 76545), (3645, 76524), (3780, 73791), (4374, 63770), (4555, 61236), (4860, 57393), (5103, 54660), (5466, 51030), (5670, 49194), (6377, 43740), (6804, 40995), (7290, 38262), (8199, 34020), (8505, 32796), (8748, 31885), (9110, 30618), (10206, 27330), (10932, 25515), (10935, 25508), (11340, 24597), (12754, 21870), (13665, 20412), (14580, 19131), (15309, 18220), (16398, 17010)]