51261120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 224

約数和(自身を含む): 192024000

約数和(自身を除く): 140762880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 349, 360, 408, 432, 459, 480, 510, 540, 544, 576, 612, 680, 698, 720, 765, 816, 864, 918, 960, 1020, 1047, 1080, 1088, 1224, 1360, 1396, 1440, 1530, 1632, 1728, 1745, 1836, 2040, 2094, 2160, 2295, 2448, 2720, 2792, 2880, 3060, 3141, 3264, 3490, 3672, 4080, 4188, 4320, 4590, 4896, 5235, 5440, 5584, 5933, 6120, 6282, 6980, 7344, 8160, 8376, 8640, 9180, 9423, 9792, 10470, 11168, 11866, 12240, 12564, 13960, 14688, 15705, 16320, 16752, 17799, 18360, 18846, 20940, 22336, 23732, 24480, 25128, 27920, 29376, 29665, 31410, 33504, 35598, 36720, 37692, 41880, 47115, 47464, 48960, 50256, 53397, 55840, 59330, 62820, 67008, 71196, 73440, 75384, 83760, 88995, 94230, 94928, 100512, 106794, 111680, 118660, 125640, 142392, 146880, 150768, 160191, 167520, 177990, 188460, 189856, 201024, 213588, 237320, 251280, 266985, 284784, 301536, 320382, 335040, 355980, 376920, 379712, 427176, 474640, 502560, 533970, 569568, 603072, 640764, 711960, 753840, 800955, 854352, 949280, 1005120, 1067940, 1139136, 1281528, 1423920, 1507680, 1601910, 1708704, 1898560, 2135880, 2563056, 2847840, 3015360, 3203820, 3417408, 4271760, 5126112, 5695680, 6407640, 8543520, 10252224, 12815280, 17087040, 25630560, 51261120]

約数ペア:

[(1, 51261120), (2, 25630560), (3, 17087040), (4, 12815280), (5, 10252224), (6, 8543520), (8, 6407640), (9, 5695680), (10, 5126112), (12, 4271760), (15, 3417408), (16, 3203820), (17, 3015360), (18, 2847840), (20, 2563056), (24, 2135880), (27, 1898560), (30, 1708704), (32, 1601910), (34, 1507680), (36, 1423920), (40, 1281528), (45, 1139136), (48, 1067940), (51, 1005120), (54, 949280), (60, 854352), (64, 800955), (68, 753840), (72, 711960), (80, 640764), (85, 603072), (90, 569568), (96, 533970), (102, 502560), (108, 474640), (120, 427176), (135, 379712), (136, 376920), (144, 355980), (153, 335040), (160, 320382), (170, 301536), (180, 284784), (192, 266985), (204, 251280), (216, 237320), (240, 213588), (255, 201024), (270, 189856), (272, 188460), (288, 177990), (306, 167520), (320, 160191), (340, 150768), (349, 146880), (360, 142392), (408, 125640), (432, 118660), (459, 111680), (480, 106794), (510, 100512), (540, 94928), (544, 94230), (576, 88995), (612, 83760), (680, 75384), (698, 73440), (720, 71196), (765, 67008), (816, 62820), (864, 59330), (918, 55840), (960, 53397), (1020, 50256), (1047, 48960), (1080, 47464), (1088, 47115), (1224, 41880), (1360, 37692), (1396, 36720), (1440, 35598), (1530, 33504), (1632, 31410), (1728, 29665), (1745, 29376), (1836, 27920), (2040, 25128), (2094, 24480), (2160, 23732), (2295, 22336), (2448, 20940), (2720, 18846), (2792, 18360), (2880, 17799), (3060, 16752), (3141, 16320), (3264, 15705), (3490, 14688), (3672, 13960), (4080, 12564), (4188, 12240), (4320, 11866), (4590, 11168), (4896, 10470), (5235, 9792), (5440, 9423), (5584, 9180), (5933, 8640), (6120, 8376), (6282, 8160), (6980, 7344)]