204974280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1473

約数の個数: 256

約数和(自身を含む): 822528000

約数和(自身を除く): 617553720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1427, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2854, 3192, 3420, 3591, 3780, 3990, 4104, 4281, 4788, 5130, 5320, 5708, 5985, 6840, 7135, 7182, 7560, 7980, 8562, 9576, 9989, 10260, 11416, 11970, 12843, 14270, 14364, 15960, 17124, 17955, 19978, 20520, 21405, 23940, 25686, 27113, 28540, 28728, 29967, 34248, 35910, 38529, 39956, 42810, 47880, 49945, 51372, 54226, 57080, 59934, 64215, 71820, 77058, 79912, 81339, 85620, 89901, 99890, 102744, 108452, 119868, 128430, 135565, 143640, 149835, 154116, 162678, 171240, 179802, 189791, 192645, 199780, 216904, 239736, 244017, 256860, 269703, 271130, 299670, 308232, 325356, 359604, 379582, 385290, 399560, 406695, 449505, 488034, 513720, 539406, 542260, 569373, 599340, 650712, 719208, 732051, 759164, 770580, 813390, 899010, 948955, 976068, 1078812, 1084520, 1138746, 1198680, 1220085, 1348515, 1464102, 1518328, 1541160, 1626780, 1708119, 1798020, 1897910, 1952136, 2157624, 2277492, 2440170, 2697030, 2846865, 2928204, 3253560, 3416238, 3596040, 3660255, 3795820, 4554984, 4880340, 5124357, 5394060, 5693730, 5856408, 6832476, 7320510, 7591640, 8540595, 9760680, 10248714, 10788120, 11387460, 13664952, 14641020, 17081190, 20497428, 22774920, 25621785, 29282040, 34162380, 40994856, 51243570, 68324760, 102487140, 204974280]

約数ペア:

[(1, 204974280), (2, 102487140), (3, 68324760), (4, 51243570), (5, 40994856), (6, 34162380), (7, 29282040), (8, 25621785), (9, 22774920), (10, 20497428), (12, 17081190), (14, 14641020), (15, 13664952), (18, 11387460), (19, 10788120), (20, 10248714), (21, 9760680), (24, 8540595), (27, 7591640), (28, 7320510), (30, 6832476), (35, 5856408), (36, 5693730), (38, 5394060), (40, 5124357), (42, 4880340), (45, 4554984), (54, 3795820), (56, 3660255), (57, 3596040), (60, 3416238), (63, 3253560), (70, 2928204), (72, 2846865), (76, 2697030), (84, 2440170), (90, 2277492), (95, 2157624), (105, 1952136), (108, 1897910), (114, 1798020), (120, 1708119), (126, 1626780), (133, 1541160), (135, 1518328), (140, 1464102), (152, 1348515), (168, 1220085), (171, 1198680), (180, 1138746), (189, 1084520), (190, 1078812), (210, 976068), (216, 948955), (228, 899010), (252, 813390), (266, 770580), (270, 759164), (280, 732051), (285, 719208), (315, 650712), (342, 599340), (360, 569373), (378, 542260), (380, 539406), (399, 513720), (420, 488034), (456, 449505), (504, 406695), (513, 399560), (532, 385290), (540, 379582), (570, 359604), (630, 325356), (665, 308232), (684, 299670), (756, 271130), (760, 269703), (798, 256860), (840, 244017), (855, 239736), (945, 216904), (1026, 199780), (1064, 192645), (1080, 189791), (1140, 179802), (1197, 171240), (1260, 162678), (1330, 154116), (1368, 149835), (1427, 143640), (1512, 135565), (1596, 128430), (1710, 119868), (1890, 108452), (1995, 102744), (2052, 99890), (2280, 89901), (2394, 85620), (2520, 81339), (2565, 79912), (2660, 77058), (2854, 71820), (3192, 64215), (3420, 59934), (3591, 57080), (3780, 54226), (3990, 51372), (4104, 49945), (4281, 47880), (4788, 42810), (5130, 39956), (5320, 38529), (5708, 35910), (5985, 34248), (6840, 29967), (7135, 28728), (7182, 28540), (7560, 27113), (7980, 25686), (8562, 23940), (9576, 21405), (9989, 20520), (10260, 19978), (11416, 17955), (11970, 17124), (12843, 15960), (14270, 14364)]