2156479920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25169}}^1$

素因数の和:25212

約数の個数: 240

約数和(自身を含む): 8763992640

約数和(自身を除く): 6607512720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 6120, 7140, 8568, 9520, 10710, 12240, 14280, 17136, 21420, 25169, 28560, 42840, 50338, 75507, 85680, 100676, 125845, 151014, 176183, 201352, 226521, 251690, 302028, 352366, 377535, 402704, 427873, 453042, 503380, 528549, 604056, 704732, 755070, 855746, 880915, 906084, 1006760, 1057098, 1132605, 1208112, 1283619, 1409464, 1510140, 1585647, 1711492, 1761830, 1812168, 2013520, 2114196, 2139365, 2265210, 2567238, 2642745, 2818928, 2995111, 3020280, 3171294, 3422984, 3523660, 3624336, 3850857, 4228392, 4278730, 4530420, 5134476, 5285490, 5990222, 6040560, 6342588, 6418095, 6845968, 7047320, 7701714, 7928235, 8456784, 8557460, 8985333, 9060840, 10268952, 10570980, 11980444, 12685176, 12836190, 14094640, 14975555, 15403428, 15856470, 17114920, 17970666, 18121680, 19254285, 20537904, 21141960, 23960888, 25370352, 25672380, 26955999, 29951110, 30806856, 31712940, 34229840, 35941332, 38508570, 42283920, 44926665, 47921776, 51344760, 53911998, 59902220, 61613712, 63425880, 71882664, 77017140, 89853330, 102689520, 107823996, 119804440, 126851760, 134779995, 143765328, 154034280, 179706660, 215647992, 239608880, 269559990, 308068560, 359413320, 431295984, 539119980, 718826640, 1078239960, 2156479920]

約数ペア:

[(1, 2156479920), (2, 1078239960), (3, 718826640), (4, 539119980), (5, 431295984), (6, 359413320), (7, 308068560), (8, 269559990), (9, 239608880), (10, 215647992), (12, 179706660), (14, 154034280), (15, 143765328), (16, 134779995), (17, 126851760), (18, 119804440), (20, 107823996), (21, 102689520), (24, 89853330), (28, 77017140), (30, 71882664), (34, 63425880), (35, 61613712), (36, 59902220), (40, 53911998), (42, 51344760), (45, 47921776), (48, 44926665), (51, 42283920), (56, 38508570), (60, 35941332), (63, 34229840), (68, 31712940), (70, 30806856), (72, 29951110), (80, 26955999), (84, 25672380), (85, 25370352), (90, 23960888), (102, 21141960), (105, 20537904), (112, 19254285), (119, 18121680), (120, 17970666), (126, 17114920), (136, 15856470), (140, 15403428), (144, 14975555), (153, 14094640), (168, 12836190), (170, 12685176), (180, 11980444), (204, 10570980), (210, 10268952), (238, 9060840), (240, 8985333), (252, 8557460), (255, 8456784), (272, 7928235), (280, 7701714), (306, 7047320), (315, 6845968), (336, 6418095), (340, 6342588), (357, 6040560), (360, 5990222), (408, 5285490), (420, 5134476), (476, 4530420), (504, 4278730), (510, 4228392), (560, 3850857), (595, 3624336), (612, 3523660), (630, 3422984), (680, 3171294), (714, 3020280), (720, 2995111), (765, 2818928), (816, 2642745), (840, 2567238), (952, 2265210), (1008, 2139365), (1020, 2114196), (1071, 2013520), (1190, 1812168), (1224, 1761830), (1260, 1711492), (1360, 1585647), (1428, 1510140), (1530, 1409464), (1680, 1283619), (1785, 1208112), (1904, 1132605), (2040, 1057098), (2142, 1006760), (2380, 906084), (2448, 880915), (2520, 855746), (2856, 755070), (3060, 704732), (3570, 604056), (4080, 528549), (4284, 503380), (4760, 453042), (5040, 427873), (5355, 402704), (5712, 377535), (6120, 352366), (7140, 302028), (8568, 251690), (9520, 226521), (10710, 201352), (12240, 176183), (14280, 151014), (17136, 125845), (21420, 100676), (25169, 85680), (28560, 75507), (42840, 50338)]