1290258720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3433}}^1$

素因数の和:3489

約数の個数: 240

約数和(自身を含む): 4711928760

約数和(自身を除く): 3421670040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 216, 232, 240, 261, 270, 288, 290, 324, 348, 360, 405, 432, 435, 464, 480, 522, 540, 580, 648, 696, 720, 783, 810, 864, 870, 928, 1044, 1080, 1160, 1296, 1305, 1392, 1440, 1566, 1620, 1740, 2088, 2160, 2320, 2349, 2592, 2610, 2784, 3132, 3240, 3433, 3480, 3915, 4176, 4320, 4640, 4698, 5220, 6264, 6480, 6866, 6960, 7830, 8352, 9396, 10299, 10440, 11745, 12528, 12960, 13732, 13920, 15660, 17165, 18792, 20598, 20880, 23490, 25056, 27464, 30897, 31320, 34330, 37584, 41196, 41760, 46980, 51495, 54928, 61794, 62640, 68660, 75168, 82392, 92691, 93960, 99557, 102990, 109856, 123588, 125280, 137320, 154485, 164784, 185382, 187920, 199114, 205980, 247176, 274640, 278073, 298671, 308970, 329568, 370764, 375840, 398228, 411960, 463455, 494352, 497785, 549280, 556146, 597342, 617940, 741528, 796456, 823920, 896013, 926910, 988704, 995570, 1112292, 1194684, 1235880, 1390365, 1483056, 1493355, 1592912, 1647840, 1792026, 1853820, 1991140, 2224584, 2389368, 2471760, 2688039, 2780730, 2966112, 2986710, 3185824, 3584052, 3707640, 3982280, 4449168, 4480065, 4778736, 4943520, 5376078, 5561460, 5973420, 7168104, 7415280, 7964560, 8064117, 8898336, 8960130, 9557472, 10752156, 11122920, 11946840, 13440195, 14336208, 14830560, 15929120, 16128234, 17920260, 21504312, 22245840, 23893680, 26880390, 28672416, 32256468, 35840520, 40320585, 43008624, 44491680, 47787360, 53760780, 64512936, 71681040, 80641170, 86017248, 107521560, 129025872, 143362080, 161282340, 215043120, 258051744, 322564680, 430086240, 645129360, 1290258720]

約数ペア:

[(1, 1290258720), (2, 645129360), (3, 430086240), (4, 322564680), (5, 258051744), (6, 215043120), (8, 161282340), (9, 143362080), (10, 129025872), (12, 107521560), (15, 86017248), (16, 80641170), (18, 71681040), (20, 64512936), (24, 53760780), (27, 47787360), (29, 44491680), (30, 43008624), (32, 40320585), (36, 35840520), (40, 32256468), (45, 28672416), (48, 26880390), (54, 23893680), (58, 22245840), (60, 21504312), (72, 17920260), (80, 16128234), (81, 15929120), (87, 14830560), (90, 14336208), (96, 13440195), (108, 11946840), (116, 11122920), (120, 10752156), (135, 9557472), (144, 8960130), (145, 8898336), (160, 8064117), (162, 7964560), (174, 7415280), (180, 7168104), (216, 5973420), (232, 5561460), (240, 5376078), (261, 4943520), (270, 4778736), (288, 4480065), (290, 4449168), (324, 3982280), (348, 3707640), (360, 3584052), (405, 3185824), (432, 2986710), (435, 2966112), (464, 2780730), (480, 2688039), (522, 2471760), (540, 2389368), (580, 2224584), (648, 1991140), (696, 1853820), (720, 1792026), (783, 1647840), (810, 1592912), (864, 1493355), (870, 1483056), (928, 1390365), (1044, 1235880), (1080, 1194684), (1160, 1112292), (1296, 995570), (1305, 988704), (1392, 926910), (1440, 896013), (1566, 823920), (1620, 796456), (1740, 741528), (2088, 617940), (2160, 597342), (2320, 556146), (2349, 549280), (2592, 497785), (2610, 494352), (2784, 463455), (3132, 411960), (3240, 398228), (3433, 375840), (3480, 370764), (3915, 329568), (4176, 308970), (4320, 298671), (4640, 278073), (4698, 274640), (5220, 247176), (6264, 205980), (6480, 199114), (6866, 187920), (6960, 185382), (7830, 164784), (8352, 154485), (9396, 137320), (10299, 125280), (10440, 123588), (11745, 109856), (12528, 102990), (12960, 99557), (13732, 93960), (13920, 92691), (15660, 82392), (17165, 75168), (18792, 68660), (20598, 62640), (20880, 61794), (23490, 54928), (25056, 51495), (27464, 46980), (30897, 41760), (31320, 41196), (34330, 37584)]