178985520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2132

約数の個数: 240

約数和(自身を含む): 727721280

約数和(自身を除く): 548735760

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, 2089, 2142, 2380, 2448, 2520, 2856, 3060, 3570, 4080, 4178, 4284, 4760, 5040, 5355, 5712, 6120, 6267, 7140, 8356, 8568, 9520, 10445, 10710, 12240, 12534, 14280, 14623, 16712, 17136, 18801, 20890, 21420, 25068, 28560, 29246, 31335, 33424, 35513, 37602, 41780, 42840, 43869, 50136, 58492, 62670, 71026, 73115, 75204, 83560, 85680, 87738, 94005, 100272, 106539, 116984, 125340, 131607, 142052, 146230, 150408, 167120, 175476, 177565, 188010, 213078, 219345, 233968, 248591, 250680, 263214, 284104, 292460, 300816, 319617, 350952, 355130, 376020, 426156, 438690, 497182, 501360, 526428, 532695, 568208, 584920, 639234, 658035, 701904, 710260, 745773, 752040, 852312, 877380, 994364, 1052856, 1065390, 1169840, 1242955, 1278468, 1316070, 1420520, 1491546, 1504080, 1598085, 1704624, 1754760, 1988728, 2105712, 2130780, 2237319, 2485910, 2556936, 2632140, 2841040, 2983092, 3196170, 3509520, 3728865, 3977456, 4261560, 4474638, 4971820, 5113872, 5264280, 5966184, 6392340, 7457730, 8523120, 8949276, 9943640, 10528560, 11186595, 11932368, 12784680, 14915460, 17898552, 19887280, 22373190, 25569360, 29830920, 35797104, 44746380, 59661840, 89492760, 178985520]

約数ペア:

[(1, 178985520), (2, 89492760), (3, 59661840), (4, 44746380), (5, 35797104), (6, 29830920), (7, 25569360), (8, 22373190), (9, 19887280), (10, 17898552), (12, 14915460), (14, 12784680), (15, 11932368), (16, 11186595), (17, 10528560), (18, 9943640), (20, 8949276), (21, 8523120), (24, 7457730), (28, 6392340), (30, 5966184), (34, 5264280), (35, 5113872), (36, 4971820), (40, 4474638), (42, 4261560), (45, 3977456), (48, 3728865), (51, 3509520), (56, 3196170), (60, 2983092), (63, 2841040), (68, 2632140), (70, 2556936), (72, 2485910), (80, 2237319), (84, 2130780), (85, 2105712), (90, 1988728), (102, 1754760), (105, 1704624), (112, 1598085), (119, 1504080), (120, 1491546), (126, 1420520), (136, 1316070), (140, 1278468), (144, 1242955), (153, 1169840), (168, 1065390), (170, 1052856), (180, 994364), (204, 877380), (210, 852312), (238, 752040), (240, 745773), (252, 710260), (255, 701904), (272, 658035), (280, 639234), (306, 584920), (315, 568208), (336, 532695), (340, 526428), (357, 501360), (360, 497182), (408, 438690), (420, 426156), (476, 376020), (504, 355130), (510, 350952), (560, 319617), (595, 300816), (612, 292460), (630, 284104), (680, 263214), (714, 250680), (720, 248591), (765, 233968), (816, 219345), (840, 213078), (952, 188010), (1008, 177565), (1020, 175476), (1071, 167120), (1190, 150408), (1224, 146230), (1260, 142052), (1360, 131607), (1428, 125340), (1530, 116984), (1680, 106539), (1785, 100272), (1904, 94005), (2040, 87738), (2089, 85680), (2142, 83560), (2380, 75204), (2448, 73115), (2520, 71026), (2856, 62670), (3060, 58492), (3570, 50136), (4080, 43869), (4178, 42840), (4284, 41780), (4760, 37602), (5040, 35513), (5355, 33424), (5712, 31335), (6120, 29246), (6267, 28560), (7140, 25068), (8356, 21420), (8568, 20890), (9520, 18801), (10445, 17136), (10710, 16712), (12240, 14623), (12534, 14280)]