18440640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:379

約数の個数: 168

約数和(自身を含む): 66964560

約数和(自身を除く): 48523920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 337, 342, 360, 380, 456, 480, 570, 576, 608, 674, 684, 720, 760, 855, 912, 960, 1011, 1140, 1216, 1348, 1368, 1440, 1520, 1685, 1710, 1824, 2022, 2280, 2696, 2736, 2880, 3033, 3040, 3370, 3420, 3648, 4044, 4560, 5055, 5392, 5472, 6066, 6080, 6403, 6740, 6840, 8088, 9120, 10110, 10784, 10944, 12132, 12806, 13480, 13680, 15165, 16176, 18240, 19209, 20220, 21568, 24264, 25612, 26960, 27360, 30330, 32015, 32352, 38418, 40440, 48528, 51224, 53920, 54720, 57627, 60660, 64030, 64704, 76836, 80880, 96045, 97056, 102448, 107840, 115254, 121320, 128060, 153672, 161760, 192090, 194112, 204896, 230508, 242640, 256120, 288135, 307344, 323520, 384180, 409792, 461016, 485280, 512240, 576270, 614688, 768360, 922032, 970560, 1024480, 1152540, 1229376, 1536720, 1844064, 2048960, 2305080, 3073440, 3688128, 4610160, 6146880, 9220320, 18440640]

約数ペア:

[(1, 18440640), (2, 9220320), (3, 6146880), (4, 4610160), (5, 3688128), (6, 3073440), (8, 2305080), (9, 2048960), (10, 1844064), (12, 1536720), (15, 1229376), (16, 1152540), (18, 1024480), (19, 970560), (20, 922032), (24, 768360), (30, 614688), (32, 576270), (36, 512240), (38, 485280), (40, 461016), (45, 409792), (48, 384180), (57, 323520), (60, 307344), (64, 288135), (72, 256120), (76, 242640), (80, 230508), (90, 204896), (95, 194112), (96, 192090), (114, 161760), (120, 153672), (144, 128060), (152, 121320), (160, 115254), (171, 107840), (180, 102448), (190, 97056), (192, 96045), (228, 80880), (240, 76836), (285, 64704), (288, 64030), (304, 60660), (320, 57627), (337, 54720), (342, 53920), (360, 51224), (380, 48528), (456, 40440), (480, 38418), (570, 32352), (576, 32015), (608, 30330), (674, 27360), (684, 26960), (720, 25612), (760, 24264), (855, 21568), (912, 20220), (960, 19209), (1011, 18240), (1140, 16176), (1216, 15165), (1348, 13680), (1368, 13480), (1440, 12806), (1520, 12132), (1685, 10944), (1710, 10784), (1824, 10110), (2022, 9120), (2280, 8088), (2696, 6840), (2736, 6740), (2880, 6403), (3033, 6080), (3040, 6066), (3370, 5472), (3420, 5392), (3648, 5055), (4044, 4560)]