161970900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 288

約数和(自身を含む): 612460800

約数和(自身を除く): 450489900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 25, 26, 28, 30, 34, 35, 39, 42, 50, 51, 52, 60, 65, 68, 70, 75, 78, 84, 85, 91, 100, 102, 105, 119, 130, 140, 150, 156, 170, 175, 182, 195, 204, 210, 221, 238, 255, 260, 273, 300, 325, 340, 349, 350, 357, 364, 390, 420, 425, 442, 455, 476, 510, 525, 546, 595, 650, 663, 698, 700, 714, 780, 850, 884, 910, 975, 1020, 1047, 1050, 1092, 1105, 1190, 1275, 1300, 1326, 1365, 1396, 1428, 1547, 1700, 1745, 1785, 1820, 1950, 2094, 2100, 2210, 2275, 2380, 2443, 2550, 2652, 2730, 2975, 3094, 3315, 3490, 3570, 3900, 4188, 4420, 4537, 4550, 4641, 4886, 5100, 5235, 5460, 5525, 5933, 5950, 6188, 6630, 6825, 6980, 7140, 7329, 7735, 8725, 8925, 9074, 9100, 9282, 9772, 10470, 11050, 11866, 11900, 12215, 13260, 13611, 13650, 14658, 15470, 16575, 17450, 17799, 17850, 18148, 18564, 20940, 22100, 22685, 23205, 23732, 24430, 26175, 27222, 27300, 29316, 29665, 30940, 31759, 33150, 34900, 35598, 35700, 36645, 38675, 41531, 45370, 46410, 48860, 52350, 54444, 59330, 61075, 63518, 66300, 68055, 71196, 73290, 77129, 77350, 83062, 88995, 90740, 92820, 95277, 104700, 113425, 116025, 118660, 122150, 124593, 127036, 136110, 146580, 148325, 154258, 154700, 158795, 166124, 177990, 183225, 190554, 207655, 226850, 231387, 232050, 244300, 249186, 272220, 296650, 308516, 317590, 340275, 355980, 366450, 381108, 385645, 415310, 444975, 453700, 462774, 464100, 476385, 498372, 539903, 593300, 622965, 635180, 680550, 732900, 771290, 793975, 830620, 889950, 925548, 952770, 1038275, 1079806, 1156935, 1245930, 1361100, 1542580, 1587950, 1619709, 1779900, 1905540, 1928225, 2076550, 2159612, 2313870, 2381925, 2491860, 2699515, 3114825, 3175900, 3239418, 3856450, 4153100, 4627740, 4763850, 5399030, 5784675, 6229650, 6478836, 7712900, 8098545, 9527700, 10798060, 11569350, 12459300, 13497575, 16197090, 23138700, 26995150, 32394180, 40492725, 53990300, 80985450, 161970900]

約数ペア:

[(1, 161970900), (2, 80985450), (3, 53990300), (4, 40492725), (5, 32394180), (6, 26995150), (7, 23138700), (10, 16197090), (12, 13497575), (13, 12459300), (14, 11569350), (15, 10798060), (17, 9527700), (20, 8098545), (21, 7712900), (25, 6478836), (26, 6229650), (28, 5784675), (30, 5399030), (34, 4763850), (35, 4627740), (39, 4153100), (42, 3856450), (50, 3239418), (51, 3175900), (52, 3114825), (60, 2699515), (65, 2491860), (68, 2381925), (70, 2313870), (75, 2159612), (78, 2076550), (84, 1928225), (85, 1905540), (91, 1779900), (100, 1619709), (102, 1587950), (105, 1542580), (119, 1361100), (130, 1245930), (140, 1156935), (150, 1079806), (156, 1038275), (170, 952770), (175, 925548), (182, 889950), (195, 830620), (204, 793975), (210, 771290), (221, 732900), (238, 680550), (255, 635180), (260, 622965), (273, 593300), (300, 539903), (325, 498372), (340, 476385), (349, 464100), (350, 462774), (357, 453700), (364, 444975), (390, 415310), (420, 385645), (425, 381108), (442, 366450), (455, 355980), (476, 340275), (510, 317590), (525, 308516), (546, 296650), (595, 272220), (650, 249186), (663, 244300), (698, 232050), (700, 231387), (714, 226850), (780, 207655), (850, 190554), (884, 183225), (910, 177990), (975, 166124), (1020, 158795), (1047, 154700), (1050, 154258), (1092, 148325), (1105, 146580), (1190, 136110), (1275, 127036), (1300, 124593), (1326, 122150), (1365, 118660), (1396, 116025), (1428, 113425), (1547, 104700), (1700, 95277), (1745, 92820), (1785, 90740), (1820, 88995), (1950, 83062), (2094, 77350), (2100, 77129), (2210, 73290), (2275, 71196), (2380, 68055), (2443, 66300), (2550, 63518), (2652, 61075), (2730, 59330), (2975, 54444), (3094, 52350), (3315, 48860), (3490, 46410), (3570, 45370), (3900, 41531), (4188, 38675), (4420, 36645), (4537, 35700), (4550, 35598), (4641, 34900), (4886, 33150), (5100, 31759), (5235, 30940), (5460, 29665), (5525, 29316), (5933, 27300), (5950, 27222), (6188, 26175), (6630, 24430), (6825, 23732), (6980, 23205), (7140, 22685), (7329, 22100), (7735, 20940), (8725, 18564), (8925, 18148), (9074, 17850), (9100, 17799), (9282, 17450), (9772, 16575), (10470, 15470), (11050, 14658), (11866, 13650), (11900, 13611), (12215, 13260)]