281580180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 965260800

約数和(自身を除く): 683680620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 113, 119, 140, 170, 204, 210, 226, 238, 255, 339, 340, 349, 357, 420, 452, 476, 510, 565, 595, 678, 698, 714, 791, 1020, 1047, 1130, 1190, 1356, 1396, 1428, 1582, 1695, 1745, 1785, 1921, 2094, 2260, 2373, 2380, 2443, 3164, 3390, 3490, 3570, 3842, 3955, 4188, 4746, 4886, 5235, 5763, 5933, 6780, 6980, 7140, 7329, 7684, 7910, 9492, 9605, 9772, 10470, 11526, 11865, 11866, 12215, 13447, 14658, 15820, 17799, 19210, 20940, 23052, 23730, 23732, 24430, 26894, 28815, 29316, 29665, 35598, 36645, 38420, 39437, 40341, 41531, 47460, 48860, 53788, 57630, 59330, 67235, 71196, 73290, 78874, 80682, 83062, 88995, 115260, 118311, 118660, 124593, 134470, 146580, 157748, 161364, 166124, 177990, 197185, 201705, 207655, 236622, 249186, 268940, 276059, 355980, 394370, 403410, 415310, 473244, 498372, 552118, 591555, 622965, 670429, 788740, 806820, 828177, 830620, 1104236, 1183110, 1245930, 1340858, 1380295, 1656354, 2011287, 2366220, 2491860, 2681716, 2760590, 3312708, 3352145, 4022574, 4140885, 4693003, 5521180, 6704290, 8045148, 8281770, 9386006, 10056435, 13408580, 14079009, 16563540, 18772012, 20112870, 23465015, 28158018, 40225740, 46930030, 56316036, 70395045, 93860060, 140790090, 281580180]

約数ペア:

[(1, 281580180), (2, 140790090), (3, 93860060), (4, 70395045), (5, 56316036), (6, 46930030), (7, 40225740), (10, 28158018), (12, 23465015), (14, 20112870), (15, 18772012), (17, 16563540), (20, 14079009), (21, 13408580), (28, 10056435), (30, 9386006), (34, 8281770), (35, 8045148), (42, 6704290), (51, 5521180), (60, 4693003), (68, 4140885), (70, 4022574), (84, 3352145), (85, 3312708), (102, 2760590), (105, 2681716), (113, 2491860), (119, 2366220), (140, 2011287), (170, 1656354), (204, 1380295), (210, 1340858), (226, 1245930), (238, 1183110), (255, 1104236), (339, 830620), (340, 828177), (349, 806820), (357, 788740), (420, 670429), (452, 622965), (476, 591555), (510, 552118), (565, 498372), (595, 473244), (678, 415310), (698, 403410), (714, 394370), (791, 355980), (1020, 276059), (1047, 268940), (1130, 249186), (1190, 236622), (1356, 207655), (1396, 201705), (1428, 197185), (1582, 177990), (1695, 166124), (1745, 161364), (1785, 157748), (1921, 146580), (2094, 134470), (2260, 124593), (2373, 118660), (2380, 118311), (2443, 115260), (3164, 88995), (3390, 83062), (3490, 80682), (3570, 78874), (3842, 73290), (3955, 71196), (4188, 67235), (4746, 59330), (4886, 57630), (5235, 53788), (5763, 48860), (5933, 47460), (6780, 41531), (6980, 40341), (7140, 39437), (7329, 38420), (7684, 36645), (7910, 35598), (9492, 29665), (9605, 29316), (9772, 28815), (10470, 26894), (11526, 24430), (11865, 23732), (11866, 23730), (12215, 23052), (13447, 20940), (14658, 19210), (15820, 17799)]