161257600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 192

約数和(自身を含む): 476576640

約数和(自身を除く): 315319040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 92, 100, 112, 115, 128, 140, 160, 161, 175, 184, 200, 224, 230, 280, 313, 320, 322, 350, 368, 400, 448, 460, 560, 575, 626, 640, 644, 700, 736, 800, 805, 896, 920, 1120, 1150, 1252, 1288, 1400, 1472, 1565, 1600, 1610, 1840, 2191, 2240, 2300, 2504, 2576, 2800, 2944, 3130, 3200, 3220, 3680, 4025, 4382, 4480, 4600, 5008, 5152, 5600, 6260, 6440, 7199, 7360, 7825, 8050, 8764, 9200, 10016, 10304, 10955, 11200, 12520, 12880, 14398, 14720, 15650, 16100, 17528, 18400, 20032, 20608, 21910, 22400, 25040, 25760, 28796, 31300, 32200, 35056, 35995, 36800, 40064, 43820, 50080, 50393, 51520, 54775, 57592, 62600, 64400, 70112, 71990, 73600, 87640, 100160, 100786, 103040, 109550, 115184, 125200, 128800, 140224, 143980, 175280, 179975, 200320, 201572, 219100, 230368, 250400, 251965, 257600, 280448, 287960, 350560, 359950, 403144, 438200, 460736, 500800, 503930, 515200, 575920, 701120, 719900, 806288, 876400, 921472, 1001600, 1007860, 1151840, 1259825, 1402240, 1439800, 1612576, 1752800, 2015720, 2303680, 2519650, 2879600, 3225152, 3505600, 4031440, 4607360, 5039300, 5759200, 6450304, 7011200, 8062880, 10078600, 11518400, 16125760, 20157200, 23036800, 32251520, 40314400, 80628800, 161257600]

約数ペア:

[(1, 161257600), (2, 80628800), (4, 40314400), (5, 32251520), (7, 23036800), (8, 20157200), (10, 16125760), (14, 11518400), (16, 10078600), (20, 8062880), (23, 7011200), (25, 6450304), (28, 5759200), (32, 5039300), (35, 4607360), (40, 4031440), (46, 3505600), (50, 3225152), (56, 2879600), (64, 2519650), (70, 2303680), (80, 2015720), (92, 1752800), (100, 1612576), (112, 1439800), (115, 1402240), (128, 1259825), (140, 1151840), (160, 1007860), (161, 1001600), (175, 921472), (184, 876400), (200, 806288), (224, 719900), (230, 701120), (280, 575920), (313, 515200), (320, 503930), (322, 500800), (350, 460736), (368, 438200), (400, 403144), (448, 359950), (460, 350560), (560, 287960), (575, 280448), (626, 257600), (640, 251965), (644, 250400), (700, 230368), (736, 219100), (800, 201572), (805, 200320), (896, 179975), (920, 175280), (1120, 143980), (1150, 140224), (1252, 128800), (1288, 125200), (1400, 115184), (1472, 109550), (1565, 103040), (1600, 100786), (1610, 100160), (1840, 87640), (2191, 73600), (2240, 71990), (2300, 70112), (2504, 64400), (2576, 62600), (2800, 57592), (2944, 54775), (3130, 51520), (3200, 50393), (3220, 50080), (3680, 43820), (4025, 40064), (4382, 36800), (4480, 35995), (4600, 35056), (5008, 32200), (5152, 31300), (5600, 28796), (6260, 25760), (6440, 25040), (7199, 22400), (7360, 21910), (7825, 20608), (8050, 20032), (8764, 18400), (9200, 17528), (10016, 16100), (10304, 15650), (10955, 14720), (11200, 14398), (12520, 12880)]