17899980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 63866880

約数和(自身を除く): 45966900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 34, 35, 42, 46, 51, 60, 68, 69, 70, 84, 85, 92, 102, 105, 109, 115, 119, 138, 140, 161, 170, 204, 210, 218, 230, 238, 255, 276, 322, 327, 340, 345, 357, 391, 420, 436, 460, 476, 483, 510, 545, 595, 644, 654, 690, 714, 763, 782, 805, 966, 1020, 1090, 1173, 1190, 1308, 1380, 1428, 1526, 1564, 1610, 1635, 1785, 1853, 1932, 1955, 2180, 2289, 2346, 2380, 2415, 2507, 2737, 3052, 3220, 3270, 3570, 3706, 3815, 3910, 4578, 4692, 4830, 5014, 5474, 5559, 5865, 6540, 7140, 7412, 7521, 7630, 7820, 8211, 9156, 9265, 9660, 10028, 10948, 11118, 11445, 11730, 12535, 12971, 13685, 15042, 15260, 16422, 17549, 18530, 22236, 22890, 23460, 25070, 25942, 27370, 27795, 30084, 32844, 35098, 37060, 37605, 38913, 41055, 42619, 45780, 50140, 51884, 52647, 54740, 55590, 64855, 70196, 75210, 77826, 82110, 85238, 87745, 105294, 111180, 127857, 129710, 150420, 155652, 164220, 170476, 175490, 194565, 210588, 213095, 255714, 259420, 263235, 298333, 350980, 389130, 426190, 511428, 526470, 596666, 639285, 778260, 852380, 894999, 1052940, 1193332, 1278570, 1491665, 1789998, 2557140, 2983330, 3579996, 4474995, 5966660, 8949990, 17899980]

約数ペア:

[(1, 17899980), (2, 8949990), (3, 5966660), (4, 4474995), (5, 3579996), (6, 2983330), (7, 2557140), (10, 1789998), (12, 1491665), (14, 1278570), (15, 1193332), (17, 1052940), (20, 894999), (21, 852380), (23, 778260), (28, 639285), (30, 596666), (34, 526470), (35, 511428), (42, 426190), (46, 389130), (51, 350980), (60, 298333), (68, 263235), (69, 259420), (70, 255714), (84, 213095), (85, 210588), (92, 194565), (102, 175490), (105, 170476), (109, 164220), (115, 155652), (119, 150420), (138, 129710), (140, 127857), (161, 111180), (170, 105294), (204, 87745), (210, 85238), (218, 82110), (230, 77826), (238, 75210), (255, 70196), (276, 64855), (322, 55590), (327, 54740), (340, 52647), (345, 51884), (357, 50140), (391, 45780), (420, 42619), (436, 41055), (460, 38913), (476, 37605), (483, 37060), (510, 35098), (545, 32844), (595, 30084), (644, 27795), (654, 27370), (690, 25942), (714, 25070), (763, 23460), (782, 22890), (805, 22236), (966, 18530), (1020, 17549), (1090, 16422), (1173, 15260), (1190, 15042), (1308, 13685), (1380, 12971), (1428, 12535), (1526, 11730), (1564, 11445), (1610, 11118), (1635, 10948), (1785, 10028), (1853, 9660), (1932, 9265), (1955, 9156), (2180, 8211), (2289, 7820), (2346, 7630), (2380, 7521), (2415, 7412), (2507, 7140), (2737, 6540), (3052, 5865), (3220, 5559), (3270, 5474), (3570, 5014), (3706, 4830), (3815, 4692), (3910, 4578)]