249977520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 240

約数和(自身を含む): 957876192

約数和(自身を除く): 707898672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1571, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3142, 3315, 3536, 3978, 4080, 4420, 4680, 4713, 5304, 6120, 6284, 6630, 7855, 7956, 8840, 9360, 9426, 9945, 10608, 12240, 12568, 13260, 14139, 15710, 15912, 17680, 18852, 19890, 20423, 23565, 25136, 26520, 26707, 28278, 31420, 31824, 37704, 39780, 40846, 47130, 53040, 53414, 56556, 61269, 62840, 70695, 75408, 79560, 80121, 81692, 94260, 102115, 106828, 113112, 122538, 125680, 133535, 141390, 159120, 160242, 163384, 183807, 188520, 204230, 213656, 226224, 240363, 245076, 267070, 282780, 306345, 320484, 326768, 347191, 367614, 377040, 400605, 408460, 427312, 480726, 490152, 534140, 565560, 612690, 640968, 694382, 735228, 801210, 816920, 919035, 961452, 980304, 1041573, 1068280, 1131120, 1201815, 1225380, 1281936, 1388764, 1470456, 1602420, 1633840, 1735955, 1838070, 1922904, 2083146, 2136560, 2403630, 2450760, 2777528, 2940912, 3124719, 3204840, 3471910, 3676140, 3845808, 4166292, 4807260, 4901520, 5207865, 5555056, 6249438, 6409680, 6943820, 7352280, 8332584, 9614520, 10415730, 12498876, 13887640, 14704560, 15623595, 16665168, 19229040, 20831460, 24997752, 27775280, 31247190, 41662920, 49995504, 62494380, 83325840, 124988760, 249977520]

約数ペア:

[(1, 249977520), (2, 124988760), (3, 83325840), (4, 62494380), (5, 49995504), (6, 41662920), (8, 31247190), (9, 27775280), (10, 24997752), (12, 20831460), (13, 19229040), (15, 16665168), (16, 15623595), (17, 14704560), (18, 13887640), (20, 12498876), (24, 10415730), (26, 9614520), (30, 8332584), (34, 7352280), (36, 6943820), (39, 6409680), (40, 6249438), (45, 5555056), (48, 5207865), (51, 4901520), (52, 4807260), (60, 4166292), (65, 3845808), (68, 3676140), (72, 3471910), (78, 3204840), (80, 3124719), (85, 2940912), (90, 2777528), (102, 2450760), (104, 2403630), (117, 2136560), (120, 2083146), (130, 1922904), (136, 1838070), (144, 1735955), (153, 1633840), (156, 1602420), (170, 1470456), (180, 1388764), (195, 1281936), (204, 1225380), (208, 1201815), (221, 1131120), (234, 1068280), (240, 1041573), (255, 980304), (260, 961452), (272, 919035), (306, 816920), (312, 801210), (340, 735228), (360, 694382), (390, 640968), (408, 612690), (442, 565560), (468, 534140), (510, 490152), (520, 480726), (585, 427312), (612, 408460), (624, 400605), (663, 377040), (680, 367614), (720, 347191), (765, 326768), (780, 320484), (816, 306345), (884, 282780), (936, 267070), (1020, 245076), (1040, 240363), (1105, 226224), (1170, 213656), (1224, 204230), (1326, 188520), (1360, 183807), (1530, 163384), (1560, 160242), (1571, 159120), (1768, 141390), (1872, 133535), (1989, 125680), (2040, 122538), (2210, 113112), (2340, 106828), (2448, 102115), (2652, 94260), (3060, 81692), (3120, 80121), (3142, 79560), (3315, 75408), (3536, 70695), (3978, 62840), (4080, 61269), (4420, 56556), (4680, 53414), (4713, 53040), (5304, 47130), (6120, 40846), (6284, 39780), (6630, 37704), (7855, 31824), (7956, 31420), (8840, 28278), (9360, 26707), (9426, 26520), (9945, 25136), (10608, 23565), (12240, 20423), (12568, 19890), (13260, 18852), (14139, 17680), (15710, 15912)]