18889440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46428960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 32, 40, 46, 48, 58, 59, 60, 69, 80, 87, 92, 96, 115, 116, 118, 120, 138, 145, 160, 174, 177, 184, 230, 232, 236, 240, 276, 290, 295, 345, 348, 354, 368, 435, 460, 464, 472, 480, 552, 580, 590, 667, 690, 696, 708, 736, 870, 885, 920, 928, 944, 1104, 1160, 1180, 1334, 1357, 1380, 1392, 1416, 1711, 1740, 1770, 1840, 1888, 2001, 2208, 2320, 2360, 2668, 2714, 2760, 2784, 2832, 3335, 3422, 3480, 3540, 3680, 4002, 4071, 4640, 4720, 5133, 5336, 5428, 5520, 5664, 6670, 6785, 6844, 6960, 7080, 8004, 8142, 8555, 9440, 10005, 10266, 10672, 10856, 11040, 13340, 13570, 13688, 13920, 14160, 16008, 16284, 17110, 20010, 20355, 20532, 21344, 21712, 25665, 26680, 27140, 27376, 28320, 32016, 32568, 34220, 39353, 40020, 40710, 41064, 43424, 51330, 53360, 54280, 54752, 64032, 65136, 68440, 78706, 80040, 81420, 82128, 102660, 106720, 108560, 118059, 130272, 136880, 157412, 160080, 162840, 164256, 196765, 205320, 217120, 236118, 273760, 314824, 320160, 325680, 393530, 410640, 472236, 590295, 629648, 651360, 787060, 821280, 944472, 1180590, 1259296, 1574120, 1888944, 2361180, 3148240, 3777888, 4722360, 6296480, 9444720, 18889440]

約数ペア:

[(1, 18889440), (2, 9444720), (3, 6296480), (4, 4722360), (5, 3777888), (6, 3148240), (8, 2361180), (10, 1888944), (12, 1574120), (15, 1259296), (16, 1180590), (20, 944472), (23, 821280), (24, 787060), (29, 651360), (30, 629648), (32, 590295), (40, 472236), (46, 410640), (48, 393530), (58, 325680), (59, 320160), (60, 314824), (69, 273760), (80, 236118), (87, 217120), (92, 205320), (96, 196765), (115, 164256), (116, 162840), (118, 160080), (120, 157412), (138, 136880), (145, 130272), (160, 118059), (174, 108560), (177, 106720), (184, 102660), (230, 82128), (232, 81420), (236, 80040), (240, 78706), (276, 68440), (290, 65136), (295, 64032), (345, 54752), (348, 54280), (354, 53360), (368, 51330), (435, 43424), (460, 41064), (464, 40710), (472, 40020), (480, 39353), (552, 34220), (580, 32568), (590, 32016), (667, 28320), (690, 27376), (696, 27140), (708, 26680), (736, 25665), (870, 21712), (885, 21344), (920, 20532), (928, 20355), (944, 20010), (1104, 17110), (1160, 16284), (1180, 16008), (1334, 14160), (1357, 13920), (1380, 13688), (1392, 13570), (1416, 13340), (1711, 11040), (1740, 10856), (1770, 10672), (1840, 10266), (1888, 10005), (2001, 9440), (2208, 8555), (2320, 8142), (2360, 8004), (2668, 7080), (2714, 6960), (2760, 6844), (2784, 6785), (2832, 6670), (3335, 5664), (3422, 5520), (3480, 5428), (3540, 5336), (3680, 5133), (4002, 4720), (4071, 4640)]