289991880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 256

約数和(自身を含む): 1026432000

約数和(自身を除く): 736440120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 47, 54, 58, 60, 72, 87, 90, 94, 108, 116, 120, 135, 141, 145, 174, 180, 188, 197, 216, 232, 235, 261, 270, 282, 290, 348, 360, 376, 394, 423, 435, 470, 522, 540, 564, 580, 591, 696, 705, 783, 788, 846, 870, 940, 985, 1044, 1080, 1128, 1160, 1182, 1269, 1305, 1363, 1410, 1566, 1576, 1692, 1740, 1773, 1880, 1970, 2088, 2115, 2364, 2538, 2610, 2726, 2820, 2955, 3132, 3384, 3480, 3546, 3915, 3940, 4089, 4230, 4728, 5076, 5220, 5319, 5452, 5640, 5713, 5910, 6264, 6345, 6815, 7092, 7830, 7880, 8178, 8460, 8865, 9259, 10152, 10440, 10638, 10904, 11426, 11820, 12267, 12690, 13630, 14184, 15660, 16356, 16920, 17139, 17730, 18518, 20445, 21276, 22852, 23640, 24534, 25380, 26595, 27260, 27777, 28565, 31320, 32712, 34278, 35460, 36801, 37036, 40890, 42552, 45704, 46295, 49068, 50760, 51417, 53190, 54520, 55554, 57130, 61335, 68556, 70920, 73602, 74072, 81780, 83331, 85695, 92590, 98136, 102834, 106380, 111108, 114260, 122670, 137112, 138885, 147204, 154251, 163560, 166662, 171390, 184005, 185180, 205668, 212760, 222216, 228520, 245340, 249993, 257085, 268511, 277770, 294408, 308502, 333324, 342780, 368010, 370360, 411336, 416655, 490680, 499986, 514170, 537022, 555540, 617004, 666648, 685560, 736020, 771255, 805533, 833310, 999972, 1028340, 1074044, 1111080, 1234008, 1249965, 1342555, 1472040, 1542510, 1611066, 1666620, 1999944, 2056680, 2148088, 2416599, 2499930, 2685110, 3085020, 3222132, 3333240, 4027665, 4833198, 4999860, 5370220, 6170040, 6444264, 7249797, 8055330, 9666396, 9999720, 10740440, 12082995, 14499594, 16110660, 19332792, 24165990, 28999188, 32221320, 36248985, 48331980, 57998376, 72497970, 96663960, 144995940, 289991880]

約数ペア:

[(1, 289991880), (2, 144995940), (3, 96663960), (4, 72497970), (5, 57998376), (6, 48331980), (8, 36248985), (9, 32221320), (10, 28999188), (12, 24165990), (15, 19332792), (18, 16110660), (20, 14499594), (24, 12082995), (27, 10740440), (29, 9999720), (30, 9666396), (36, 8055330), (40, 7249797), (45, 6444264), (47, 6170040), (54, 5370220), (58, 4999860), (60, 4833198), (72, 4027665), (87, 3333240), (90, 3222132), (94, 3085020), (108, 2685110), (116, 2499930), (120, 2416599), (135, 2148088), (141, 2056680), (145, 1999944), (174, 1666620), (180, 1611066), (188, 1542510), (197, 1472040), (216, 1342555), (232, 1249965), (235, 1234008), (261, 1111080), (270, 1074044), (282, 1028340), (290, 999972), (348, 833310), (360, 805533), (376, 771255), (394, 736020), (423, 685560), (435, 666648), (470, 617004), (522, 555540), (540, 537022), (564, 514170), (580, 499986), (591, 490680), (696, 416655), (705, 411336), (783, 370360), (788, 368010), (846, 342780), (870, 333324), (940, 308502), (985, 294408), (1044, 277770), (1080, 268511), (1128, 257085), (1160, 249993), (1182, 245340), (1269, 228520), (1305, 222216), (1363, 212760), (1410, 205668), (1566, 185180), (1576, 184005), (1692, 171390), (1740, 166662), (1773, 163560), (1880, 154251), (1970, 147204), (2088, 138885), (2115, 137112), (2364, 122670), (2538, 114260), (2610, 111108), (2726, 106380), (2820, 102834), (2955, 98136), (3132, 92590), (3384, 85695), (3480, 83331), (3546, 81780), (3915, 74072), (3940, 73602), (4089, 70920), (4230, 68556), (4728, 61335), (5076, 57130), (5220, 55554), (5319, 54520), (5452, 53190), (5640, 51417), (5713, 50760), (5910, 49068), (6264, 46295), (6345, 45704), (6815, 42552), (7092, 40890), (7830, 37036), (7880, 36801), (8178, 35460), (8460, 34278), (8865, 32712), (9259, 31320), (10152, 28565), (10440, 27777), (10638, 27260), (10904, 26595), (11426, 25380), (11820, 24534), (12267, 23640), (12690, 22852), (13630, 21276), (14184, 20445), (15660, 18518), (16356, 17730), (16920, 17139)]