15981379560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^2$

素因数の和:493

約数の個数: 288

約数和(自身を含む): 55880604000

約数和(自身を除く): 39899224440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 59, 60, 72, 76, 90, 95, 114, 118, 120, 152, 171, 177, 180, 190, 199, 228, 236, 285, 295, 342, 354, 360, 380, 398, 456, 472, 531, 570, 590, 597, 684, 708, 760, 796, 855, 885, 995, 1062, 1121, 1140, 1180, 1194, 1368, 1416, 1592, 1710, 1770, 1791, 1990, 2124, 2242, 2280, 2360, 2388, 2655, 2985, 3363, 3420, 3540, 3582, 3781, 3980, 4248, 4484, 4776, 5310, 5605, 5970, 6726, 6840, 7080, 7164, 7562, 7960, 8955, 8968, 10089, 10620, 11210, 11343, 11741, 11940, 13452, 14328, 15124, 16815, 17910, 18905, 20178, 21240, 22420, 22686, 23482, 23880, 26904, 30248, 33630, 34029, 35223, 35820, 37810, 39601, 40356, 44840, 45372, 46964, 50445, 56715, 58705, 67260, 68058, 70446, 71640, 75620, 79202, 80712, 90744, 93928, 100890, 105669, 113430, 117410, 118803, 134520, 136116, 140892, 151240, 158404, 170145, 176115, 198005, 201780, 211338, 223079, 226860, 234820, 237606, 272232, 281784, 316808, 340290, 352230, 356409, 396010, 403560, 422676, 446158, 453720, 469640, 475212, 528345, 594015, 669237, 680580, 704460, 712818, 752419, 792020, 845352, 892316, 950424, 1056690, 1115395, 1188030, 1338474, 1361160, 1408920, 1425636, 1504838, 1584040, 1782045, 1784632, 2007711, 2113380, 2230790, 2257257, 2336459, 2376060, 2676948, 2851272, 3009676, 3346185, 3564090, 3762095, 4015422, 4226760, 4461580, 4514514, 4672918, 4752120, 5353896, 6019352, 6692370, 6771771, 7009377, 7128180, 7524190, 8030844, 8923160, 9029028, 9345836, 10038555, 11286285, 11682295, 13384740, 13543542, 14018754, 14256360, 15048380, 16061688, 18058056, 18691672, 20077110, 21028131, 22572570, 23364590, 26769480, 27087084, 28037508, 30096760, 33858855, 35046885, 40154220, 42056262, 44392721, 45145140, 46729180, 54174168, 56075016, 67717710, 70093770, 80308440, 84112524, 88785442, 90290280, 93458360, 105140655, 133178163, 135435420, 140187540, 168225048, 177570884, 210281310, 221963605, 266356326, 270870840, 280375080, 355141768, 399534489, 420562620, 443927210, 532712652, 665890815, 799068978, 841125240, 887854420, 1065425304, 1331781630, 1598137956, 1775708840, 1997672445, 2663563260, 3196275912, 3995344890, 5327126520, 7990689780, 15981379560]

約数ペア:

[(1, 15981379560), (2, 7990689780), (3, 5327126520), (4, 3995344890), (5, 3196275912), (6, 2663563260), (8, 1997672445), (9, 1775708840), (10, 1598137956), (12, 1331781630), (15, 1065425304), (18, 887854420), (19, 841125240), (20, 799068978), (24, 665890815), (30, 532712652), (36, 443927210), (38, 420562620), (40, 399534489), (45, 355141768), (57, 280375080), (59, 270870840), (60, 266356326), (72, 221963605), (76, 210281310), (90, 177570884), (95, 168225048), (114, 140187540), (118, 135435420), (120, 133178163), (152, 105140655), (171, 93458360), (177, 90290280), (180, 88785442), (190, 84112524), (199, 80308440), (228, 70093770), (236, 67717710), (285, 56075016), (295, 54174168), (342, 46729180), (354, 45145140), (360, 44392721), (380, 42056262), (398, 40154220), (456, 35046885), (472, 33858855), (531, 30096760), (570, 28037508), (590, 27087084), (597, 26769480), (684, 23364590), (708, 22572570), (760, 21028131), (796, 20077110), (855, 18691672), (885, 18058056), (995, 16061688), (1062, 15048380), (1121, 14256360), (1140, 14018754), (1180, 13543542), (1194, 13384740), (1368, 11682295), (1416, 11286285), (1592, 10038555), (1710, 9345836), (1770, 9029028), (1791, 8923160), (1990, 8030844), (2124, 7524190), (2242, 7128180), (2280, 7009377), (2360, 6771771), (2388, 6692370), (2655, 6019352), (2985, 5353896), (3363, 4752120), (3420, 4672918), (3540, 4514514), (3582, 4461580), (3781, 4226760), (3980, 4015422), (4248, 3762095), (4484, 3564090), (4776, 3346185), (5310, 3009676), (5605, 2851272), (5970, 2676948), (6726, 2376060), (6840, 2336459), (7080, 2257257), (7164, 2230790), (7562, 2113380), (7960, 2007711), (8955, 1784632), (8968, 1782045), (10089, 1584040), (10620, 1504838), (11210, 1425636), (11343, 1408920), (11741, 1361160), (11940, 1338474), (13452, 1188030), (14328, 1115395), (15124, 1056690), (16815, 950424), (17910, 892316), (18905, 845352), (20178, 792020), (21240, 752419), (22420, 712818), (22686, 704460), (23482, 680580), (23880, 669237), (26904, 594015), (30248, 528345), (33630, 475212), (34029, 469640), (35223, 453720), (35820, 446158), (37810, 422676), (39601, 403560), (40356, 396010), (44840, 356409), (45372, 352230), (46964, 340290), (50445, 316808), (56715, 281784), (58705, 272232), (67260, 237606), (68058, 234820), (70446, 226860), (71640, 223079), (75620, 211338), (79202, 201780), (80712, 198005), (90744, 176115), (93928, 170145), (100890, 158404), (105669, 151240), (113430, 140892), (117410, 136116), (118803, 134520)]