421764840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1261

約数の個数: 256

約数和(自身を含む): 1642291200

約数和(自身を除く): 1220526360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 168, 180, 188, 189, 210, 216, 235, 252, 270, 280, 282, 315, 329, 360, 376, 378, 420, 423, 470, 504, 540, 564, 630, 658, 705, 756, 840, 846, 940, 945, 987, 1080, 1128, 1187, 1260, 1269, 1316, 1410, 1512, 1645, 1692, 1880, 1890, 1974, 2115, 2374, 2520, 2538, 2632, 2820, 2961, 3290, 3384, 3561, 3780, 3948, 4230, 4748, 4935, 5076, 5640, 5922, 5935, 6345, 6580, 7122, 7560, 7896, 8309, 8460, 8883, 9496, 9870, 10152, 10683, 11844, 11870, 12690, 13160, 14244, 14805, 16618, 16920, 17766, 17805, 19740, 21366, 23688, 23740, 24927, 25380, 28488, 29610, 32049, 33236, 35532, 35610, 39480, 41545, 42732, 44415, 47480, 49854, 50760, 53415, 55789, 59220, 64098, 66472, 71064, 71220, 74781, 83090, 85464, 88830, 99708, 106830, 111578, 118440, 124635, 128196, 142440, 149562, 160245, 166180, 167367, 177660, 199416, 213660, 223156, 224343, 249270, 256392, 278945, 299124, 320490, 332360, 334734, 355320, 373905, 390523, 427320, 446312, 448686, 498540, 502101, 557890, 598248, 640980, 669468, 747810, 781046, 836835, 897372, 997080, 1004202, 1115780, 1121715, 1171569, 1281960, 1338936, 1495620, 1506303, 1562092, 1673670, 1794744, 1952615, 2008404, 2231560, 2243430, 2343138, 2510505, 2991240, 3012606, 3124184, 3347340, 3514707, 3905230, 4016808, 4486860, 4686276, 5021010, 5857845, 6025212, 6694680, 7029414, 7531515, 7810460, 8973720, 9372552, 10042020, 10544121, 11715690, 12050424, 14058828, 15063030, 15620920, 17573535, 20084040, 21088242, 23431380, 28117656, 30126060, 35147070, 42176484, 46862760, 52720605, 60252120, 70294140, 84352968, 105441210, 140588280, 210882420, 421764840]

約数ペア:

[(1, 421764840), (2, 210882420), (3, 140588280), (4, 105441210), (5, 84352968), (6, 70294140), (7, 60252120), (8, 52720605), (9, 46862760), (10, 42176484), (12, 35147070), (14, 30126060), (15, 28117656), (18, 23431380), (20, 21088242), (21, 20084040), (24, 17573535), (27, 15620920), (28, 15063030), (30, 14058828), (35, 12050424), (36, 11715690), (40, 10544121), (42, 10042020), (45, 9372552), (47, 8973720), (54, 7810460), (56, 7531515), (60, 7029414), (63, 6694680), (70, 6025212), (72, 5857845), (84, 5021010), (90, 4686276), (94, 4486860), (105, 4016808), (108, 3905230), (120, 3514707), (126, 3347340), (135, 3124184), (140, 3012606), (141, 2991240), (168, 2510505), (180, 2343138), (188, 2243430), (189, 2231560), (210, 2008404), (216, 1952615), (235, 1794744), (252, 1673670), (270, 1562092), (280, 1506303), (282, 1495620), (315, 1338936), (329, 1281960), (360, 1171569), (376, 1121715), (378, 1115780), (420, 1004202), (423, 997080), (470, 897372), (504, 836835), (540, 781046), (564, 747810), (630, 669468), (658, 640980), (705, 598248), (756, 557890), (840, 502101), (846, 498540), (940, 448686), (945, 446312), (987, 427320), (1080, 390523), (1128, 373905), (1187, 355320), (1260, 334734), (1269, 332360), (1316, 320490), (1410, 299124), (1512, 278945), (1645, 256392), (1692, 249270), (1880, 224343), (1890, 223156), (1974, 213660), (2115, 199416), (2374, 177660), (2520, 167367), (2538, 166180), (2632, 160245), (2820, 149562), (2961, 142440), (3290, 128196), (3384, 124635), (3561, 118440), (3780, 111578), (3948, 106830), (4230, 99708), (4748, 88830), (4935, 85464), (5076, 83090), (5640, 74781), (5922, 71220), (5935, 71064), (6345, 66472), (6580, 64098), (7122, 59220), (7560, 55789), (7896, 53415), (8309, 50760), (8460, 49854), (8883, 47480), (9496, 44415), (9870, 42732), (10152, 41545), (10683, 39480), (11844, 35610), (11870, 35532), (12690, 33236), (13160, 32049), (14244, 29610), (14805, 28488), (16618, 25380), (16920, 24927), (17766, 23740), (17805, 23688), (19740, 21366)]