281327760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55819}}^1$

素因数の和:55845

約数の個数: 120

約数和(自身を含む): 1079782080

約数和(自身を除く): 798454320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55819, 111638, 167457, 223276, 279095, 334914, 390733, 446552, 502371, 558190, 669828, 781466, 837285, 893104, 1004742, 1116380, 1172199, 1339656, 1562932, 1674570, 1953665, 2009484, 2232760, 2344398, 2511855, 2679312, 3125864, 3349140, 3516597, 3907330, 4018968, 4465520, 4688796, 5023710, 5860995, 6251728, 6698280, 7033194, 7814660, 8037936, 9377592, 10047420, 11721990, 13396560, 14066388, 15629320, 17582985, 18755184, 20094840, 23443980, 28132776, 31258640, 35165970, 40189680, 46887960, 56265552, 70331940, 93775920, 140663880, 281327760]

約数ペア:

[(1, 281327760), (2, 140663880), (3, 93775920), (4, 70331940), (5, 56265552), (6, 46887960), (7, 40189680), (8, 35165970), (9, 31258640), (10, 28132776), (12, 23443980), (14, 20094840), (15, 18755184), (16, 17582985), (18, 15629320), (20, 14066388), (21, 13396560), (24, 11721990), (28, 10047420), (30, 9377592), (35, 8037936), (36, 7814660), (40, 7033194), (42, 6698280), (45, 6251728), (48, 5860995), (56, 5023710), (60, 4688796), (63, 4465520), (70, 4018968), (72, 3907330), (80, 3516597), (84, 3349140), (90, 3125864), (105, 2679312), (112, 2511855), (120, 2344398), (126, 2232760), (140, 2009484), (144, 1953665), (168, 1674570), (180, 1562932), (210, 1339656), (240, 1172199), (252, 1116380), (280, 1004742), (315, 893104), (336, 837285), (360, 781466), (420, 669828), (504, 558190), (560, 502371), (630, 446552), (720, 390733), (840, 334914), (1008, 279095), (1260, 223276), (1680, 167457), (2520, 111638), (5040, 55819)]