1870685680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 4708948608

約数和(自身を除く): 2838262928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 137, 164, 181, 184, 205, 230, 274, 328, 362, 368, 410, 460, 548, 656, 685, 724, 820, 905, 920, 943, 1096, 1370, 1448, 1640, 1810, 1840, 1886, 2192, 2740, 2896, 3151, 3280, 3620, 3772, 4163, 4715, 5480, 5617, 6302, 7240, 7421, 7544, 8326, 9430, 10960, 11234, 12604, 14480, 14842, 15088, 15755, 16652, 18860, 20815, 22468, 24797, 25208, 28085, 29684, 31510, 33304, 37105, 37720, 41630, 44936, 49594, 50416, 56170, 59368, 63020, 66608, 74210, 75440, 83260, 89872, 99188, 112340, 118736, 123985, 126040, 129191, 148420, 166520, 170683, 198376, 224680, 247970, 252080, 258382, 296840, 333040, 341366, 396752, 449360, 495940, 516764, 570331, 593680, 645955, 682732, 853415, 991880, 1016677, 1033528, 1140662, 1291910, 1365464, 1706830, 1983760, 2033354, 2067056, 2281324, 2583820, 2730928, 2851655, 3413660, 4066708, 4562648, 5083385, 5167640, 5703310, 6827320, 8133416, 9125296, 10166770, 10335280, 11406620, 13654640, 16266832, 20333540, 22813240, 23383571, 40667080, 45626480, 46767142, 81334160, 93534284, 116917855, 187068568, 233835710, 374137136, 467671420, 935342840, 1870685680]

約数ペア:

[(1, 1870685680), (2, 935342840), (4, 467671420), (5, 374137136), (8, 233835710), (10, 187068568), (16, 116917855), (20, 93534284), (23, 81334160), (40, 46767142), (41, 45626480), (46, 40667080), (80, 23383571), (82, 22813240), (92, 20333540), (115, 16266832), (137, 13654640), (164, 11406620), (181, 10335280), (184, 10166770), (205, 9125296), (230, 8133416), (274, 6827320), (328, 5703310), (362, 5167640), (368, 5083385), (410, 4562648), (460, 4066708), (548, 3413660), (656, 2851655), (685, 2730928), (724, 2583820), (820, 2281324), (905, 2067056), (920, 2033354), (943, 1983760), (1096, 1706830), (1370, 1365464), (1448, 1291910), (1640, 1140662), (1810, 1033528), (1840, 1016677), (1886, 991880), (2192, 853415), (2740, 682732), (2896, 645955), (3151, 593680), (3280, 570331), (3620, 516764), (3772, 495940), (4163, 449360), (4715, 396752), (5480, 341366), (5617, 333040), (6302, 296840), (7240, 258382), (7421, 252080), (7544, 247970), (8326, 224680), (9430, 198376), (10960, 170683), (11234, 166520), (12604, 148420), (14480, 129191), (14842, 126040), (15088, 123985), (15755, 118736), (16652, 112340), (18860, 99188), (20815, 89872), (22468, 83260), (24797, 75440), (25208, 74210), (28085, 66608), (29684, 63020), (31510, 59368), (33304, 56170), (37105, 50416), (37720, 49594), (41630, 44936)]